Gustavo Heiden

Brazilian Agricultural Research Corporation (EMBRAPA) | Embrapa · Embrapa Clima Temperado

Asteraceae is the world’s richest plant family and is found on all continents, in environments ranging from the coast to the highest mountains. The family shows all growth forms and, as in other angiosperm families, species richness is concentrated in tropical regions. South America has the highest diversity of Asteraceae in the world, yet taxonomi...

O Parque Nacional do Descobrimento (PND) é uma Unidade de Conservação de Proteção Integral localizada no município de Prado, extremo sul da Bahia. Foi criado por Decreto Presidencial em 20 de abril de 1999 e ampliado em 5 de junho de 2012. Abrange uma área de 22.607,74 hectares entre as coordenadas 16º55’ e 17º15’ de latitude Sul; e 39º25’ e 40º10’...

O Parque Nacional Histórico do Monte Pascoal (PNHMP) é uma Unidade de Conservação de Proteção Integral criada pelo Decreto nº 242/1961 e renomeado pelo Decreto nº 3.421/2000. Está localizado no extremo sul da Bahia, no município de Porto Seguro, com área de 22.240,67 hectares entre as coordenadas 16°45’N e 16°55’S, e 39°08’L e 39°30’O. O PNHMP poss...

O Parque Nacional do Pau Brasil (PNPB) é uma Unidade de Conservação de Proteção Integral criada por Decreto Presidencial em 20 de abril de 1999 e ampliado em 11 de junho de 2010. Por meio da demarcação, realizada em 2013, foram feitos ajustes em sua área, que atualmente possui 19.027,2218 hectares, entre as coordenadas 24’N e 16°35’S, e 39°07’L e 3...

Calea comprises 159 species characterized by striate phyllaries, pistillate ray florets, yellow corolla, and pappus elements as scales. The “Calea teucriifolia complex” is an informal group of 15 species. Molecular phylogenetic inference recognized the polyphyly of this group, but also supports the recognition of a monophyletic subgenus when consid...

During the taxonomic revision of ‘carquejas’ (Baccharis sect. Aphyllae and B. sect. Caulopterae) from Uruguay, and following a comprehensive study of the protologues, type materials, and recently collected specimens, we conclude that B. sagittalis and B. heeringiana are distinct species. Therefore, we propose the recognition of B. heeringiana as an...

The leaves of Monteverdia ilicifolia (syn. Maytenus ilicifolia) are widely used in traditional South American medicine to treat gastrointestinal problems such as gastritis and ulcers. Several herbal products containing the leaves of M. ilicifolia can be found in the market. However, other species with similar leaf morphology are confounding materia...

Screening of pollen traits in diploid wild potatoes (Solanum sect. Petota, Solanaceae) is desirable to develop heat-tolerant potato (S. tuberosum) cultivars. To accomplish this goal requires exploring potato genetic resources that are conserved in genebanks. The goal of this study was to assess pollen viability and 2n pollen production of the diplo...

Given the richness of Asteraceae species, together with the lack of information on the biodiversity of the Pantanal, this guide is provided to highlight and promote the Pantanal flora for researchers, visitors, and the local population, as well as to bring information aiming at more effective conservation measures and public policies, as well as st...

Neurolaena is a genus native to the Americas and occurring from Mexico to Bolivia, including the Caribbean Islands. It includes shrubs or small trees with alternate leaves, paniculiform capitulescence, discoid or radiate capitula, 3–7-seriate involucre, and pappus with 25–70 bristles. Based on recent taxonomic studies in Neurolaeneae, we provide up...

Tyleropappus was described in 1931 by Greenman and is characterized by its spiral, alternate leaves and epaleaceous receptacle. Throughout its taxonomic history, the genus was placed into the tribes Helenieae and Neurolaeneae, often treated as the sister genus of Geissopappus, which is currently a synonym of Calea. Later, Tyleropappus was synonymiz...

Heat stress is one of the major factors reducing potato yield by limiting the plant photosynthesis activity, production and partitioning of assimilates to the sink. Potato wild relatives ( Solanum sect. Petota , Solanaceae) are a natural reservoir of valuable traits for abiotic stress resistance. However, it is necessary to assess the response of w...

Calea × crassa, a new nothospecies is described and illustrated. The thickened pale olivaceous leaf margins along with the mucronate teeth are unique morphological features shared with its parental species C. ilienii and C. monocephala. The nothospecies can be distinguished from C. ilienii by the concolorous leaves (vs. discolorous leaves), involuc...

Thirteen names of Agarista are here typified as part of the genus taxonomic revision. We studied protologues, type specimens, digital images, negative photos at F from lost specimens originally deposited at B, and additional publications. Lectotypes are here designated for the names Agarista angustissima, Ag. ericoides, Ag. pulchella, Ag. pulchra,...

Abstract Baccharis articulata (Lam.) Pers., popularly known as carqueja, carquejinha or carqueja-doce, is a plant widely used in traditional medicine as a diuretic, digestive and antidiabetic. Due to its similar morphology with other species of the "carqueja group", especially Baccharis pentaptera (Less.) DC., it can be easily confused even by spec...

Several Baccharis species are popularly known in traditional medicine as "carquejas", "vassouras", "ervas-santas" and "mio-mios", and are used as anti-inflammatories, digestives, and diuretics. Therefore, this study aimed to investigate the chemical compositions, performing graphical analysis of multivariate data and test cytotoxic activities of es...

Heat stress is one of the major factors reducing potato yield by limiting the plant photosynthesis activity, production and partitioning of assimilates to the sink. Potato wild relatives ( Solanum sect. Petota ) are a natural reservoir of valuable traits for abiotic stress resistance. However, it is necessary to assess the response of wild potato g...

The leaves of Monteverdia ilicifolia (syn. Maytenus ilicifolia), commonly called espinheira-santa, are widely used in South American traditional medicines to treat gastritis and ulcers. Several products labeled as espinheira-santa are sold as dietary supplements in retail stores and via e-commerce. Many different species with similar leaf morpholog...

Crop wild relatives (CWRs) have significantly been used in potato ( Solanum tuberosum , Solanaceae) breeding. Hence, introgression breeding may help in coping with the challenges posed by climate change. We used 20 accessions from Embrapa Potato Genebank, twelve belongs to wild specie Solanum chacoense and eight from S. commersonii and one, S. tube...

F1 hybrid potato breeding at the diploid level requires the development of new inbred lines from self-compatible germplasm. This study was carried out to search for new sources of self-compatible diploid wild potatoes focusing on the 1EBN species Solanum malmeanum . Five diploid accessions from Embrapa potato genebank were screened to evaluate thei...

This study provides a comprehensive account of the various types of calcium oxalate crystals found in the genus Baccharis and assesses the exceptional value of crystal macropatterns for the taxonomy of the genus. The morphotype, occurrence, and chemical composition of the crystals found in the stems and leaves are studied. The 44 species included i...

O presente trabalho é um inventário das Leguminosae do butiazal da Fazenda São Miguel, Tapes, Rio Grande do Sul. Foram registradas duas subfamílias (Caesalpinioideae e Papilionoideae), nove tribos, 19 gêneros e 32 espécies. As tribos mais representativas são Phaseoleae (7 spp.), Dalbergieae (6 spp.) e Desmodieae (5 spp.) e os gêneros são Desmodium...

Crop wild relatives are gaining increasing attention. Their use in plant breeding is essential to broaden the genetic basis of crops as well as to meet industrial demands, for global food security and sustainable production. Solanum malmeanum (Solanum sect. Petota, Solanaceae) is a wild relative of potatoes (S. tuberosum) from Southern South Americ...

This study provides a comprehensive account of the various types of calcium oxalate crystals found in the genus Baccharis and assesses the exceptional value of crystal macropatterns for the taxonomy of the genus. The morphotype, occurrence and chemical composition of the crystals found in the stems and leaves are studied. The 44 species included in...

Systematic studies in the Calea myrtifolia complex have revealed two noteworthy new taxa from the contact, relict and transitional areas of the Atlantic Forest and Cerrado domains in Brazil: Calea grandiflora and Calea × parviantha, both having been treated as C. myrtifolia, now considered endemic to Minas Gerais state, Brazil. Thus, we herein prov...

RESUMO Butia (Arecaceae) é um gênero de palmeiras que reúne 21 espécies nativas na América do Sul. Os fatores que determinam a distribuição e conservação das espécies do gênero ainda são pouco compreendidos. O trabalho tem como objetivos mapear os espécimes com ocorrência natural na América do Sul e avaliar o estado de conservação e critérios de am...

O estudo teve como objetivo realizar o levantamento florístico das Asteraceae que ocorrem ao longo da Estrada Parque do Pantanal (EPP) do Mato Grosso do Sul (MS), integrando comentários morfológicos, taxonômicos, fenológicos e de distribuição das espécies. Foram realizadas coletas mensais pela EPP, entre os anos de 2018-2020 e 2022. A EPP inicia na...

Butia eriospatha) é uma espécie de palmeira nativa do bioma Mata Atlântica, com potencial alimentício, que ocorre nos planaltos do sul do Brasil. O objetivo desse estudo foi investigar usos e conhecimentos sobre esta espécie na região do planalto catarinense através de levantamento etnobotânico. A metodologia consistiu na aplicação de entrevistas c...

As palmeiras do gênero Butia (Arecaceae) são reconhecidas pela produção de frutos que fazem parte da cultura alimentar de diferentes povos. Entretanto, as populações naturais de butiazeiros encontram-se ameaçadas de extinção. Butia catarinensis e B. eriospatha são espécies que ocorrem em litoral e planalto, respectivamente. O objetivo desse trabalh...

O Parque Estadual do Forno Grande é uma Unidade de Conservação de Proteção Integral, situada no município de Castelo, ao sul do estado do Espírito Santo, entre as coordenadas 20°31'13.74"S e 41° 6'21.56"W. Criado em outubro de 1960 inicialmente como Reserva Florestal, passou a ser Parque Estadual pela Lei Estadual nº 7.528, em 1998. O Parque ocupa...

This study presents a taxonomic review of the native species of Ericaceae in Rio Grande do Sul state, Southern Brazil, providing identification keys, synonymy, morphological descriptions, and specimen photograph plates, besides maps of geographic distributions and lists of studied specimens to assist in identification and conservation. We made lite...

Wild potatoes (Solanum sect. Petota, Solanaceae) are a valuable reservoir of novel traits for breeding. However, wild genotypes can also present undesirable traits such as high glycoalkaloid content in tubers. Thus, evaluation of accessions conserved at genebanks for content measurement of these compounds are priority steps to support information-b...

The genetic diversity of crop wild relatives is a rich source of valuable genes for plant breeding. Potato wild relatives are an important potential source for breeding programmes focused on heat resistance due to their wider adaptability to different climatic conditions. Wild potato accessions from Embrapa (Brazilian Agricultural Research Corporat...

Solanum chacoense (potato secondary genepool) is an important source of genes for introgression of desirable traits in the allotetraploid potato crop (S. tuberosum) or for breeding at diploid level. This species has already contributed with quality traits such as resistance to cold-induced sweetening and increasing of dry matter content in tubers....

— We herein present nomenclatural and taxonomic novelties in Calea sect. Meyeria from Brazil. Calea pruskiana is a new species related to C. triantha and can be distinguished by the acute or cuneate, rarely attenuate leaf apex (vs. obtuse), slightly branched capitulescence (vs. profusely branched), and ray florets 18‐21.7 mm long (vs. 9.2‐15.3 mm)....

A new species of Calea belonging to the Calea myrtifolia complex is described. Calea sessilifolia stands out by the unusual herbaceous habit 0.1 m tall and sessile leaves compared with the remaining species of the complex. The new species is related to Calea arachnoidea, C. heteropappa, and C. semirii due the polylength pappus scales, but is easily...

We describe a new species, Calea repanda, from Brazil and discuss novel morphological characters for the taxonomy of this genus. This new species is morphologically similar to C. gentianoides and C. diamantinensis but is distinct due to repand (vs. entire) leaf margins, radiate (vs. discoid) capitulum, larger involucre 12.2–12.7 × 10.6–12 mm (vs. 5...

O objetivo deste estudo foi fazer um reconhecimento dos saberes etnobotânicos das comunidades tradicionais de plantas alimentícias não convencionais (Panc), bem como uma caracterização de seus compostos bioativos, para garantir a segurança nutricional e a segurança alimentar. As análises foram feitas para determinar os compostos fenólicos, caroteno...

The shortage of reliable primary taxonomic data limits the description of biological taxa and the understanding of biodiver-sity patterns and processes, complicating biogeographical, ecological, and evolutionary studies. This deficit creates a significant taxo-nomic impediment to biodiversity research and conservation planning. The taxonomic impedi...

Zika virus (ZIKV) infection is a global threat associated to neurological disorders in adults and microcephaly in children born to infected mothers. No vaccine or drug is available against ZIKV. We herein report the anti‐ZIKV activity of 36 plant extracts containing polyphenols and/or triterpenes. ZIKV‐infected Vero CCL‐81 cells were treated with s...

Baccharis is a monophyletic genus characterized by functionally unisexual florets, generally distributed in distinct individuals (dioecy), but also including monoecious, gynodioecious, and polygamous species. The genus has not been revised taxonomically as a whole for nearly two centuries. Recent country- or dependent territory-level checklists are...

The digital era provides new opportunities for taxonomists, as well as for everyone that studies biodiversity. Many herbaria have been able to digitize their collections, a process that started with the typing of label data, moving more recently towards the digitization of each sample with the simultaneous acquisition of high-resolution images. Her...

Neotropical forests are home to exceptional biodiversity, especially along the eastern coast of tropical and subtropical South America. In the Atlantic Forest, the subtropical Araucaria Forest harbours both tropical and temperate plant lineages. Is the presence of Araucaria angustifolia the only attribute characterizing the south-eastern South Amer...

The shortage of reliable primary taxonomic data limits the description of biological taxa and the understanding of biodiver-sity patterns and processes, complicating biogeographical, ecological, and evolutionary studies. This deficit creates a significant taxo-nomic impediment to biodiversity research and conservation planning. The taxonomic impedi...

A oferta alimentar no planeta está restrita a poucas plantas. Estima-se que 30 mil espécies poderiam ser utilizadas na alimentação. Porém, este conhecimento vem sendo perdido na medida que as comunidades tradicionais desaparecem. O presente trabalho teve como objetivo conhecer e registrar as plantas alimentícias não convencionais (PANC) que são rec...

Senecio brasiliensis (Spreng.) Less., native to South America (Brazil, Paraguay, Uruguay, Bolivia and Argentina), is reported for the first time as a naturalized alien species from Europe (near Porto; Portugal). The species' taxonomy and nomenclature were analysed based on literature data. Its ecology, habitat, biology and possible vector of introd...

A new species of Calea belonging to sect. Meyeria is described and named as an in memoriam tribute to Vicki Ann Funk (1947–2019), who dedicated her career to plant systematics, specially focusing on the Compositae. Calea funkiana resembles Calea triantha, but is distinguished by the slightly branched habit, apically acute leaves, glabrous ray flore...

This research reports for the first time the anatomical characteristics of all species belonging to Baccharis subgenus Coridifoliae (Asteraceae). The anatomy and micro morphology of aerial vegetative organs of ten species: B. albilanosa, B. artemisioides, B. bicolor, B. coridifolia, B. erigeroides, B. napaea, B. ochracea, B. pluricapitulata, B. sca...

Os recursos genéticos são o material genético de valor real ou potencial, dos quais direta ou indiretamente depende a humanidade. Dessa forma, a conservação das variedades tradicionais e dos parentes silvestres das culturas agrícolas tem sido uma preocupação no contexto internacional desde o início do século XX. A batata (Solanum tuberosum) é a qua...

Abstract Crop wild relatives are gaining increasing attention. Their use in plant breeding to broaden the genetic basis of crops are essential to meet industrial demands, global food security, and sustainable production. Solanum malmeanum (Solanum sect. Petota, Solanaceae) is a wild relative of potatoes (S. tuberosum) from Southern South America o...

Abstract Solanum malmeanum is a South American wild potato which harbors agronomical traits desirable to broad the genetic basis of the potato. This species is in the S. tuberosum tertiary gene pool, assigned as 1EBN (Endosperm Balance Number). So, it is hypothesized as cross-incompatible with 2EBN and 4EBN species, the later including the potato...

O Paquistão tem uma eco nomia majoritariamente agrícola, o que significa que em torno de 70% darenda nacional está relacionada ao setor agropecuário. O país está posicionado como o 18° maior produtor de batata no mundo.

This study presents the status of ex situ and in situ conservation for the crop wild relatives of rice, potato, sweet potato, and finger millet in Brazil, and the subsequent germplasm collection expeditions. This research is part of a global initiative entitled "Adapting Agriculture to Climate Change: Collecting, Protecting, and Preparing Crop Wild...

Wild potatoes are a large genetic reservoir for potato breeding with current use and potential to provide genes for novel traits, and resistances for abiotic and biotic stresses absent in commercial cultivars. The first steps to use wild relatives in modern potato breeding started almost two centuries ago. Wild species from South America had been i...

The urge to organise the world around us is an essential part of human nature. Naming and categorising enable us to store and access information ef ciently. The need to name and categorise extends to the natural world and, in particular, to living organisms. The science underpinning this area of knowledge is called Taxonomy, and is as old as humani...

Ethnopharmacological relevance Baccharis trimera (Less.) DC known as “carqueja” in Brazil has been acknowledged as a medicinal plant in folk medicine for the treatment of stomach aches and gastrointestinal disorders. Aim of the study The present study aimed to evaluate the gastroprotective and healing effects of essential oil from B. trimera (EOBT...

Baccharis rectialata (Compositae: Astereae), a new species of B. sect. Caulopterae from the grasslands in northeastern Uruguay is described. The new species is morphologically similar to B. crispa and can be differentiated by its straight wing margins, shorter involucres and pappus in staminate capitula. We provide a detailed morphological descript...

Brazilian protected areas are essential for plant conservation in the Atlantic Forest domain, one of the 36 global biodiversity hotspots. A major challenge for improving conservation actions is to know the plant richness, protected by these areas. Online databases offer an accessible way to build plant species lists and to provide relevant informat...

Baccharis funkiae , a new species endemic to Uruguay, is described and illustrated here. We also provide field work pictures, etymology, distribution and habitat, and preliminary conservation status information. Comments on how to differentiate it from the morphologically similar B. subopposita, highlighting differences setting the new species apar...

Full text available here: https://ainfo.cnptia.embrapa.br/digital/bitstream/item/218658/1/DOCUMENTOS-496.pdf

Five names are typified here as a first step towards the floristic and taxonomic study of Ericaceae in Rio Grande do Sul state, Brazil, and the taxonomic revision of Agarista. We reviewed protologues, type specimens (including digital images), and negative photos at F from lost specimens originally deposited at B. Lectotypes are designated for the...

Full publication available here: https://ainfo.cnptia.embrapa.br/digital/bitstream/item/218391/1/Boletim-337.pdf

A alta exigência de nitrogênio (N) pela batata (Solanum tuberosum L., Solanaceae) decorre do baixo uso pela planta e pela absorção ineficaz resultante de um sistema radicular superficial, facilitando com que aproximadamente 50% do N aplicado seja perdido por lixiviação, volatilização, e desnitrificação, causando impacto negativo nos agroecossistema...

S. malmeanum accessions contains much higher TDMC than minimum recommended levels (>20%) and are promising sources for potato breeding.

Solanum malmeanum Bitter (Solanaceae) é um parente silvestre da batata (S. tuberosum L.) nativo do Brasil, Argentina, Paraguai e Uruguai. O conteúdo do DNA nuclear é uma informação importante em programas de melhoramento genético. O valor C refere-se à estabilidade da quantidade de DNA nuclear de um organismo em um complemento cromossômico monoploi...

O conhecimento da biologia reprodutiva de Solanum malmeanum B. (Solanaceae) é importante para compreender a variabilidade genética e morfológica, a dinâmica das populações naturais in situ, e para a conservação ex situ e uso do germoplasma em programas de melhoramento genético. Esta espécie é um parente silvestre da batata cultivada nativo do Brasi...

This study aimed to characterize and compare essential oils and ethyl acetate fractions obtained in basic and acidic conditions from both male and female Baccharis species (Baccharis myriocephala and Baccharis trimera) from two different Brazilian regions. Samples were characterized according to their chemical compositions and antiradical activity...

Solanum malmeanum

Four new names (Baccharis gaucha for B. axillaris var. dentata; B. neoaustralis for B. papillosa subsp. australis; B. neotruncata for B. truncata, and B. tetroica for B. tricuneata var. procumbens) and 12 new combinations at species rank (B. chaparensis, B. chrysophylla, B. fimbriata, B. integrifolia, B. kessleri, B. longipedicellata, B. minor, B....

The Brazilian Subtropical Highland Grasslands (Campos de Cima da Serra) is one of the main areas of endemism in southern Brazil. The complex biogeographic history that resulted in the floristic composition of the region is directly linked to the high degree of plant endemism found there. Here we present a current checklist for the endemic plants –...

The Brazilian Subtropical Highland Grasslands (Campos de Cima da Serra) is one of the main areas of endemism in southern Brazil. The complex biogeographic history that resulted in the floristic composition of the region is directly linked to the high degree of plant endemism found there. Here we present a current checklist for the endemic plants –...

Brazil is one of the most biodiverse countries in the world, with about 37,000 species of land plants. Part of this biodiversity is within protected areas. The development of online databases in the last years greatly improved the available biodiversity data. However, the existing databases do not provide information about the protected areas in wh...

Ethnopharmacological relevance Baccharis dracunculifolia (Asteraceae) is a commonly used plant in traditional medicine known as "alecrim-do-campo". Popularly it has been used as an immunostimulant, antibiotic, anti-inflammatory among other applications. So far, only a few studies have investigated the B. dracunculifolia anti-inflammatory effect and...

Baccharis trimera is a species recognized by health agencies and recommended by the Brazilian Pharmacopoeia by having medicinal properties. In this work, HR-MAS NMR spectroscopy combined with chemometric tools, such as Principal Components Analysis (PCA), Partial Least Squares Discriminant Analysis (PLS-DA) and Soft Independent Modeling by Class An...

Resumo Este estudo consiste no levantamento florístico das espécies de Bignonieae (Bignoniaceae) registradas no Parque Nacional do Itatiaia, Rio de Janeiro, Brasil. A tribo está representada na região por 12 gêneros e 18 espécies: Fridericia (4 spp.), Adenocalymma (2 spp.), Anemopaegma (2 spp.), Dolichandra (2 spp.), Amphilophium (1 sp.), Bignonia...

We report for the first time the occurrence of Calodesma collaris (Drury, 1782) (Lepidoptera: Erebidae) caterpillars on Aechmea winkleri Reitz, 1975 (Bromeliaceae) and describe the damage it causes on these plants. The consumption of leaf tissue, accumulation of excrements and inhibition of inflorescence emission caused by larvae of C. collaris can...

Figura 2. Porcentaje de producción de polen no reducido con respecto a la viabilidad promedio de las accesiones analizadas, ordenadas según su nivel de ploidía (triángulos-triploides-3x; círculos-diploides-2x). La condición triploide de algunas accesiones explicaría su reducción de viabilidad. Las accesiones marcadas con círculos grandes oscuros ti...

We present the hitherto most comprehensive phylogenetic hypothesis for Baccharis. Our results confirm that subtribe Baccharidinae is a monogeneric group and support a broad circumscription of Baccharis as monophyletic with the inclusion of all genera that have been previously segregated from it (Baccharidastrum, Baccharidiopsis, Heterothalamulopsis...

The number of species recognized in Baccharis Linnaeus (1753: 860), a Neotropical genus characterized by the tufted indumentum of leaves and stems and by the unisexual florets generally in separate specimens (Müller 2006), ranges from 354 (Müller 2013) to ca. 500 species (Malagarriga 1976). The infrageneric classification (Heiden 2014, Heiden & Pir...

Baccharis is an important genus in high altitude environments of South America. In the State of Rio de Janeiro, South-eastern Brazil, the greatest richness is found at montane and high-montane ecological refuges, known as high-altitude grasslands. The high altitude provides several environmental factors that turn the high-altitude grasslands into s...

Este documento é resultado do esforço de pessoas e instituições em torno da proteção de bens naturais e culturais remanescentes na região do Pontal da Barra do Laranjal, na cidade de Pelotas (RS). Aqui estão expressos conhecimentos, valores e sensibilidades de especialistas e colaboradores que, conjugados ao dever ético ambiental, explicitam a prem...

Ethnopharmacological relevance: Baccharis punctulata (Asteraceae), popularly known as “Chíllka saru saru” in Bolivia, has been used by rural communities in Bustillo Province of the Potosi Department for treatment of asthma, luxations and contusions. Aim of the study: To analyze the chemical composition of the essential oils obtained from leaves of...

The aim of this study was to evaluate the chemical, antioxidant, and antimicrobial activity of the essential oils as well as the anatomy of the aerial parts from Baccharis aracatubaensis, Baccharis burchellii, and Baccharis organensis owing to the therapeutic potential of Baccharis. The volatile constituents were analyzed using GC‐MS, the antioxida...