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Murdannia nudiflora (L.) Brenan. A Habit B detail of a stem, showing the apical and long-pedunculate inflorescence C front view of a bisexual flower. Photograph A, C by W. Vargas and B by M.E. Engels.
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This study provides a taxonomic revision for the Neotropical species of the genus Murdannia. Six species are recognized as native, including a new species and a new combination, while two Asian species are recognized as invasive. We present an identification key, a table summarizing the morphologic differences among the species, a new synonym, six...
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Citations
... Murdannia Royle is a major genus within the Commelinaceae family belonging to the subfamily Commelinoideae and tribe Commelineae that is closely related to the genus Aneilema R. Br. (Pellegrini et al., 2016). Approximately 60 taxa of Murdannia are distributed worldwide in tropical and subtropical climate regions, with particularly high morphological diversity observed on the Asian continent (Ancy, 2014;Pellegrini et al., 2016). ...
... Murdannia Royle is a major genus within the Commelinaceae family belonging to the subfamily Commelinoideae and tribe Commelineae that is closely related to the genus Aneilema R. Br. (Pellegrini et al., 2016). Approximately 60 taxa of Murdannia are distributed worldwide in tropical and subtropical climate regions, with particularly high morphological diversity observed on the Asian continent (Ancy, 2014;Pellegrini et al., 2016). Previously, Murdannia species were classified as Commelina L. or Aneilema (Ancy, 2014;Pellegrini et al., 2016). ...
... Approximately 60 taxa of Murdannia are distributed worldwide in tropical and subtropical climate regions, with particularly high morphological diversity observed on the Asian continent (Ancy, 2014;Pellegrini et al., 2016). Previously, Murdannia species were classified as Commelina L. or Aneilema (Ancy, 2014;Pellegrini et al., 2016). Murdannia plants exhibit a morphology similar to that of these two genera, though differences in the structure and morphology of flowers and fruits are distinct (Brenan, 1952(Brenan, , 1966Faden, 1998;Ancy, 2014;Pellegrini et al., 2016). ...
The previously reported alien plant Murdannia nudiflora is known to be distributed on Jejudo Island and in inland areas of South Korea. However, the species distributed in the Jejudo Island region exhibits differences in the morphology of the stems, leaves, and seeds compared to those in inland areas. Although M. loriformis is morphologically similar to M. nudiflora, it differs in terms of the development of the main stem, the formation of rosettes, and the occurrence of inflorescences that develop from branched stems. The seed testa of M. loriformis exhibits a radiating striated pattern and is not verrucose. Through the re-identification of specimens of M. nudiflora and an examination of individuals and images collected in areas of their distribution, it was determined that the individuals in the Jejudo region are M. loriformis, whereas those distributed inland were found to be M. nudiflora. This study presents revised descriptions and a taxonomic key for both species, with new Korean names designated based on the characteristics of the distribution areas and surrounding growth environments.
... Over the past decade, several occurrence records and new species were published from samples collected in Mato Grosso (e.g.: Vilela-Santos et al. 2013, Frisby & Hind 2014, Pellegrini et al. 2016, Engels & Marinho 2018, Koch et al. 2019, Segalla & Calonje 2019, Da Silva et al. 2020, Engels et al. 2022 proving that the flora of the State is still poorly studied. With the present work, we reinforce the need for more flora studies in Mato Grosso, considering that T. recurvata was found in an urban area of a touristic municipality with many visitors, which demonstrates that collections in easily accessible locations in the State still make it possible to find novelties for the local flora. ...
Tillandsia recurvata (L.) L. is reported for the first time in the State of Mato Grosso, Brazil. A population of the species was found in the town square of the Chapada dos Guimarães municipality, growing in multiple phorophytes. Here, we present a description, taxonomic and ecological comments, geographic distribution data, and photos of the species.
Keywords:
Bromeliad; Centro-Oeste; Diaphoranthema; Epiphytes; Tillandsioideae
... Murdannia Royle is a major genus of Commelinaceae, with approximately 52 known taxa (Ancy, 2014;Pellegrini et al., 2016;Veena and Nampy, 2019). All Murdannia species were previously included in Aneilema R. Br. by Robert Brown and mainly classified as the subgenus Tricarpellaria owing to the characteristic of fruits having three valves (Brenan, 1952;Morton, 1966). ...
Ipomoea heptaphylla Sweet and Murdannia nudiflora (L.) Brenan have been discovered on arable land on Jejudo Island, Korea. Ipomoea heptaphylla can easily be dis- tinguished from other Korean Ipomoea species by certain distinctive features, which include thin and coiled long pedicels, small corollas, and, most importantly, palmatisect leaves with five to seven lobes. Murdannia nudiflora is characterized by the absence of a rhizome, the presence of caducous bracteoles, by its bearing of more than one flower, and by its fruits with two seeds per valve and foveolate-reticulate seeds, distinguishing it from M. keisak. In this study, we report the plants I. heptaphylla and M. nudiflora and provide their morpho- logical descriptions, photographs, distribution, and keys.
... Faden and M. nudiflora (L.) Brenan. The genus was named after Murdan Ali, the custodian of the Saharanpur Botanic Garden Herbarium in India (Pellegrini et al., 2016) and represented by 63 subordinate taxa (WFO, 2023); in India, there occur 27 species (Ramana et al., 2013). Royle (Ill. ...
... Murdannia Royle is one of the largest genera of the family Commelinaceae, comprising about 60 species (Govaerts andFaden 2016, Pellegrini et al. 2016). The genus is represented by 29 species in India, which constitutes 52% of its global diversity (Naik and Rao 2017). ...
... Murdannia Royle is one of the largest genera of family Commelinaceae currently placed in subfamily Commelinoideae, tribe Commelineae and consists of about 60 species worldwide (Pellegrini et al. 2016). It is one of the only six genera of the family that has native species in both the Old World and the New World (Faden 1998) with its center of diversity in India (Ancy andNampy 2015, Pellegrini et al. 2016) representing 52% of the global diversity. ...
The study examines the karyotype and somatic chromosome numbers of five species of Murdannia Royle (Commelinaceae). The karyotype details of the two species namely M. blumei and M. lanceolata endemic to India are reported for the first time. The karyotype formula of the examined species are: M. blumei - 2n (36) = 1M+12m+5sm; M. lanceolata
- 2n (20) = 2m+8sm; M. crocea subsp. ochracea - 2n (36) =7m+8sm+3st; M. spirata - 2n (40) = 9m+8sm+3st and M. triquetra
- 2n (40) = 16m+4sm. Further details on karyomorphology including estimates of asymmetry indices, total form percent, ratio of mean length of short arms to long arms, intrachromosomal / interchromosomal asymmetry indices, and centromeric indices are provided. The karyomorphological parameters thus analysed suggest that M. blumei and M. lanceolata fit into the 2A category while M. crocea subsp. ochracea, M. spirata and M. triquetra belonged to the 2B category of Stebbins’ classification.
... Murdannia Royle is one of the largest genera of the family Commelinaceae, comprising about 60 species (Govaerts andFaden 2016, Pellegrini et al. 2016). The genus is represented by 29 species in India, which constitutes 52% of its global diversity (Naik and Rao 2017). ...
... Murdannia Royle is one of the largest genera of family Commelinaceae currently placed in subfamily Commelinoideae, tribe Commelineae and consists of about 60 species worldwide (Pellegrini et al. 2016). It is one of the only six genera of the family that has native species in both the Old World and the New World (Faden 1998) with its center of diversity in India (Ancy andNampy 2015, Pellegrini et al. 2016) representing 52% of the global diversity. ...
Somatic chromosome numbers and karyotypes of three Murdannia species are reported here for the first time. M. assamica and M. fadeniana are endemic to India while M. striatipetala is found only in India and Sri Lanka. M. assamica has chromosome number and karyotype formula 2n=20 and 8m+1sm+1st, M. striatipetala with 2n=20 and 8m+1sm+1st, and M. fadeniana with 2n=40 and 20m. Chromosome length in somatic metaphase varies from 1.15–3.26 µm with a total length of 20.07 µm for M. assamica, 1.63–3.14 µm with a total length of 22.36 µm for M. striatipetala and 0.96–2.04 µm, with a total length of 27.75 µm for M. fadeniana. Karyological data are found useful in assessing relationship in the family Commelinaceae.
... Botanical exploration at the Colíder Hydroelectric Power Plant (UHE) on the Teles Pires River, found in the northcentral region of the Mato Grosso state in the southern edge of the Brazilian Amazon, has revealed several novelties in different groups in recent years (e.g. Pellegrini et al. 2016;Engels & Canestraro 2017;Koch et al. 2019;Segala & Calonje 2019;Bohn et al. 2020). Among them also orchids (e.g. ...
Sarcoglottis matogrossensis, a new orchid species from the southern edge of the Brazilian Amazon, is described and illustrated. The novelty was found growing as humicolous and saxicolous in the understory of the seasonal evergreen forest on the banks of the Teles Pires River, in the north-central region of Mato Grosso state. Sarcoglottis matogrossensis is similar to S. amazonica, S. maroaënsis, S. metallica, and S. neillii, differing from these in the proportionally narrower and longer light green leaves that may or may not have white spots, the flowering that occurs after the senescence of the leaves, and the petals with apices conspicuously free, acute, and reflexed. We suggest the category of Data Deficient (DD) due to the scarcity of collections and the unknown effect of illegal deforestation on the populations of this species, pending further studies.
... Due to the increase in deforestation in the Mato Grosso state on the last years in areas of Legal Amazon (INPE 2020), the knowledge gaps in Amazon biome, the lack of funding for collecting projects and longterm storage of the resulting reference collections (Zappi et al. 2016), it is likely that its biodiversity is underestimate. This has been demonstrated by the amount of recent studies describing new taxa (e.g., Petini-Benelli and Soares-Lopes 2015; Engels et al. 2016;Pellegrini et al. 2016;Pessoa et al. 2016;Daly 2017;Engels and Canestraro 2017;Labiak et al. 2018;Martins et al. 2018;Engels et al. 2019;Koch et al. 2019;Sagella and Calonje 2019;Bohn et al. 2020;Silva et al. 2020) and showing new distribution records (e.g., Zappi et al. 2011;Moura 2016;Zappi et al. 2016;Ferneda Rocha and Engels 2017;Engels and Marinho 2018;. Thereby, the description of this new species contributes and expands the floristic knowledge from northern Mato Grosso State, in the south edge of Brazilian Amazon, an area that still below its real richness and diversity. ...
Mormodes matogrossensis, a new epiphytic orchid species is described and illustrated from the Floresta Estacional Sempre Verde along the Teles Pires River in southern Brazilian Amazon. This species belongs to M. sect. Mormodes and is similar to M. vinacea and M. paraënsis but differs by the lip lanceolate-trullate with basal lateral lobes, which are rounded and inconspicuously obtuse. We provided description, taxonomic and ecological comments, state of conservation, geographic distribution map, illustrations of the new species.
