Hasan Yıldırım

Ege University · Department of Biology

Abstract In this study, the reproductive capacity of endemic Jurinea cadmea subspecies, J. cadmea subsp. cadmea, and J. cadmea subsp. nifensis was investigated, focusing on pollen, stigma, seed viability, and seed germination. Plant materials were collected from natural populations in Western Anatolia (Nif Mountain, Bozdağ, Babadağ and Muğla Oyuklu...

Chamaecytisus erythropetalus Yıldırım has been found in Western Anatolia (Türkiye), in İzmir province and it is described as a new species for science in here. Although C. erythropetalus resembles to C. spinescens in habit due to its remnant stems from previous years, it can be easily distinguished from C. spinescens with its erect a single or seve...

COLE TCH, YILDIRIM H (2024) ARACEAE FİLOGENİ POSTERİ Ailesi'nin Başlıca Cinslerinin Evrimi ve Karakteristik Özellikleri © Cole, Yıldırım 2024 (CC-BY), Turkish version of: COLE (2024) ARACEAE Phylogeny Poster (Essential Aroids) • Moleküler filogenetik veri tabanlı varsayımsal ağaçlar şu esere göre: Haigh et al. (2023) ve Zhao et al. (2023) • tanımla...

Allium ahmet-tirasii Yıldırım (Amaryllidaceae) is described as a new species from Alanya district in Antalya province, southern Türkiye. Diagnostic characteristics, a full description, and comprehensive illustrations are provided. Based on morphological features, it belongs to the Allium subgen. Polyprason sect. Scorodon. Allium ahmet-tirasii has n...

Fritillaria yalcinii (Liliaceae) is described as a new species from Diyarbakır Province, southeastern Turkey. It is superficially similar to F. carica, F. forbesii, F. minima, F. minuta, F. mughlae and F. sibthorpiana, but differs in several morphological characters, such as leaves, perigon, nectary, filament, stigma and anther. Diagnostic characte...

"Anyone interested in the article can access the full version via https://authors.elsevier.com/a/1iaLhvvMcArI3" Betulinic acid (BA), a betulin derivative, is an important plant-based natural product. BA has many biological activities and attracts attention especially as a promising antitumour drug. Extraction from plants or semi-synthesis from betu...

Aim: Arum rupicola Boiss. var. rupicola with a vernacular name of Dağ Sorsalı, are used etnobotanically for hemorroid, eczema, rheumatism, and cancer. Essential oil combination of A. rupicola var. rupicola, under the lower risk (lc) threatened category because of the excess gathering was investigated. Methods: The above ground samples of Arum rupic...

Stachys is one of the most diverse genera of the family Lamiaceae and currently consists of 360 species. Stachys species exhibit high morphological variability and are distinguished using indumentum, calyx and corolla length, tooth-to-calyx ratio and verticillaster arrangement. Here, based on morphological and micromorphological studies, Stachys cu...

Fritillaria nevzatcaglari Yıldırım & Tekşen (Liliaceae) is described and illustrated as a new species from Turkey. It morphologically resembles F. ozdemir-elmasii, F. bithynica and F. elwesii, but differs from them by several characters, the most distinct one being a pale purple outer surface of the perigon. Due to human activities and grazing pres...

The Liliaceae family includes the perennial, herbaceous, monocotyledonous plant Lilium candidum (L. candidum). The cosmetics, fragrance, and pharmaceutical industries regularly use L. candidum. It has been widely used in traditional medicine for wound healing, and its anti-inflammatory, antidiabetic, antimicrobial, and anticancer effects have been...

Leopoldia buseana Yıldırım (Asparagaceae) is described as a new species to science. It is endemic to the western Anatolia region of Türkiye. Leopoldia buseana is only known from Muğla Province. The new species is morphologically similar to L. muglaensis, L. elmasii, and L. weissii. Diagnostic morphological characters are discussed and compared with...

BACKGROUND: Lilium candidum L. is a perennial ornamental plant that has various medicinal properties and is used in the cosmetic industry. The species is facing threats from urbanization and climate change and requires urgent protection. The most secure and efficient technology for the longterm storage of plant genetic resources is cryopreservation...

Stachys is one of the most diverse genera of the family Lamiaceae and currently consists of 360 species. Here, we describe Stachys cuhacioglui (Lamiaceae) as a new species based on morphological and micromorphological data. The new species was discovered in İzmir province in west of Türkiye. Stachys cuhacioglui differs from S. annua complex by its...

Türkiye is a crucial country for the genus Campanula diversity in the Mediterranean Basin. Also, more than half of Campanula species in Türkiye are endemic. In this paper, Campanula quercetorum subsp. densiflora (Campanulaceae) is described as a new subspecies from Tunceli (Türkiye). According to its morphological features, it belongs to the Campan...

Fritillaria karakocanensis (Liliaceae) is described as a new species from Turkey. It is morphologically similar to F. michailovskyi, F. reuteri and F. rhodocanakis, but differs from F. michailovskyi mainly by its longer stem, canaliculate and narrower leaves, papillose style, and the caducous tepals, from F. reuteri by its many bulblets, canalicula...

COLE TCH, YILDIRIM H (2023) ASTERACEAE: Seçi̇lmi̇ş Compositae Ci̇nsleri̇ni̇n Fi̇logeni̇si - Papatyagi̇ller, Turkish version of: COLE TCH (2022) ASTERACEAE - Phylogeny of Selected Genera of Composites • papatyagillerin önemli cinslerinden bir seçilim • moleküler filogenetik çalişmalara dayanan varsayimsal ağaç (bkz. Referanslar) • dal uzunluklari fa...

COLE TCH, YILDIRIM H (2023) Liliaceae Filogeni Posteri, Turkish version of: COLE (2023) LILIACEAE Phylogeny Poster (LiliPP) • ağaç topolojisi şu kaynağı takip etmektedir: Lu et al. (2021) BJLS 196(3): 279-293 © Cole, Yıldırım 2023 (CC-BY)

This study is based on micro-and macro-morphological features of Campanula lyrata subsp. icarica and Erysimum aureum taxa that have recently been reported in the flora of Türkiye. Campanula lyrata subsp. icarica is distributed mainly in the Eastern Aegean Islands, as well as in İzmir and Muğla provinces. Erysimum aureum is native to Central Europea...

Campanula adiyamanensis Yldrm & K. zcan sp. nova (Campanulaceae) is described, illustrated, and classified based on morphological data. The species is restricted to eastern Anatolia (Turkey), and currently known from one locality in Adyaman Province. Campanula adiyamanensis morphologically resembles C. alisan-kilincii, but differs from it especiall...

This study based on micro and macro morphological features of Campanula lyrata subsp. icarica and Erysimum areum that have recently been reported in the flora of Turkey. C. lyrata subsp. icarica is distributed mainly in the East Aegean islands of Greece and as well as in İzmir and Muğla provinces of Turkey. E. aureum native to Central European Russ...

Scilla s.l. is taxonomically one of the most problematic genera of the Asparagaceae. Within the last few decades, several genera were segregated from this genus; however, there is still no consensus on the taxonomic status of Scilla segregates. Although some previous studies indicated a polyphyletic origin for the genus Scilla, there has been no co...

This study aimed to investigate the endophytes of Juniperus macrocarpa collected from Çesme in İzmir, Turkey, using a culture-dependent approach and to evaluate their antimicrobial activity for the first time. Since endophytes interact with phy-tochemicals of the host plant, in addition to the standard culture media, a J. mac-rocarpa extract supple...

Allium ayhan-toprakii Yıldırım (Amaryllidaceae) is described as a new species from Mt. Sandras, Muğla Province, western Anatolia, Turkey. Based on morphological features, it belongs in Allium subgen. Allium sect. Codonoprasum. It is similar to A. carium and A. flavum subsp. tauricum var. Pilosum, but differs from them in several morphological chara...

Campanula dersimensis Fırat & Yıldırım, a new species endemic to the E Anatolian region of Turkey, is described and illustrated. It is currently known from two localities in Tunceli province (Dersim). Campanula dersimensis shows similarities to C. quercetorum Hub.-Mor. & C. Simon and C. yildirimlii Kit Tan & Sorger. A close relationship of the thre...

Türkiye, Campanula cinsi çeşitliliği bakımından Akdeniz Havzası’ndaki en zengin ülkelerinden biridir ve Türkiye türlerinin yarısından fazlası endemiktir. Bu yazıda C. cymbalaria var. papillosa (Campanulaceae) Türkiye’den yeni bir varyete olarak tanımlanmaktadır. Varyetenin ayırt edici karakterleri, tam betimi ve kapsamlı fotoğrafları verilmiştir. M...

Turkiye is a key country of the Campanula L. diversity in the Mediterranean Basin and also more than half of Campanula species in Turkiye are endemic. Sect. Trachiolepis mostly consists of perennial polycarpic or perennial monocarpic and chasmophyte species. Campanula myrtifolia var. caerulea Yıldırım, Deniz & Altıoğlu (Campanulaceae Juss.) is desc...

Bu çalışma Kozak Yaylası ve Madra Dağı’nın florasına katkı amacıyla yapılmıştır. Çalışma alanından 2018-2019 tarihleri arasında toplam 689 adet bitki örneği toplanmıştır. Toplam 47 familyaya ait 147 cins ve bu cinsler altında yer alan 244 bitki taksonu tespit edilmiştir. Florayı oluşturan taksonların 3’ü Pteridophyta, 241’i Magnoliophyta bölümünden...

Biarum × cinarense (Araceae) is described as a new natural hybrid species from Diyarbakır Province, SE Anatolia, Turkey. The morphological characters of the hybrid are compared with those of its parents, B. aleppicum and B. carduchorum and a distribution map is provided. It is the first natural hybrid species reported in Biarum.

Knautia goecmenii, from Nif Mountain (İzmir) in western Anatolia (Turkey), is described as a new species based on morphological and molecular evidence. Its phylogenetic relationships within the genus are provided based on the nuclear-encoded ribosomal internal transcribed spacer (ITS) region. Bayesian and Maximum Likelihood analyses of the molecula...

This study outlines the morphologic characteristics of three Crocus taxa that have neither been collected since their description in 1994 nor been previously deposited in any herbarium in Turkey: Crocus albocoronatus (Kernd.) Kernd., Pasche & Harpke, Crocus kerndorffiorum Pasche, and Crocus paschei Kernd. To this end, we took measurements of morpho...

Scutellaria topcuoglui (Lamiaceae) from Muğla Province (south-western Anatolia) is described as a new species to science. The new species is morphologically similar to S. glaphyrostachys, but differs from it by several morphological characters, such as the presence of glandular hairs in stems, leaves, bracts, calyx and corolla, scutellum length, co...

Zeuxine strateumatica (L.) Schltr. Türkiye'de ilk kez Muğla-Ortaca'dan rapor edilmiştir. Makalede türün betimi, doğal ortamında çekilmiş detay fotoğrafları ve dünya ile Türkiye'deki dağılım haritaları verilmiştir. Zeuxine strateumatica (L.) Schltr. Güneydoğu Asya'nın tropik ve yarı tropik bölgeleri ile Japonya ve Papua Yeni Gine'ye özgü bir orkide...

Allium mardinense Balos, H. Akan & Yıldırım, a new species of Allium sect. Allium, is described from Mardin Province, southeastern Turkey. It resembles A. aybukeae and A. enginii but differs from them by several morphological characters, such as its filament length, inner tepal shape and surface, and anther colour. Diagnostic characters, a comprehe...

The present work aimed to compare antioxidant response and lipid peroxide detoxification capacity of an arctic-alpine species Arabis alpina to its close relative model species Arabidopsis thaliana under acute short duration (3 h and 6 h) UV-B stress (4.6 and 8.2 W/m2). After 3 and 6 h exposure to UV-B, A. alpina showed lower lipid peroxidation and...

In this study, Fritillaria arsusiana (Liliaceae) is described and illustrated as a new species from Hatay province in southern Anatolia, Turkey. It is related to F. amana and F. hermonis by habitus features and broadly campanulate flowers, but differs mainly by its bulb shape and size, smaller leaf and flower features, and flower colour. It has als...

Chionodoxa taxa are considered synonymously under Scilla due to their molecular and some morphological affinity with Scilla bifolia. Despite their molecular affinity, the genus Scilla is in itself a polyphiletic structure. Chionodoxa taxa each have a perigon tube. In addition, their stamens with highly flattened filaments are arranged in a conical...

Sternbergia candida B.Mathew & T.Baytop is a locally endemic species that spreads within the borders of Fethiye district of Muğla province. It was known that this species spread in only one locality, between 1060-1450 m altitude, with two populations and one subpopulation. In January 2021, 2 new populations were discovered by 2 citizen scientists a...

In this study, Gemicia Yıldırım gen. nov. is described as a new monotypic genus of Asparagaceae. The species, previously described to science as Scilla vardaria Yıldırım & Y. Gemici, is transferred to genus Gemicia as Gemicia vardariana (Yıldırım & Y. Gemici) Yıldırım comb. nov. (Asparagaceae) and it is described as type species of genus Gemicia. D...

Here we describe Centaurea hekimhanensis, a new species found in Hekimhan (Turkey, Malatya Province). This Centaurea grows on the stony-gravel mountain slopes of Yamadağ and is morphologically similar to C. reuteriana, C. bourgaei, and C. pichleri in terms of their flowering lateral stem at the base of the rosette, but differs regarding the shape o...

A new species, Muscari inundatum (Asparagaceae) from Turkey, is described and illustrated. It is morphologically similar to M. neglectum and M. adilii, but differs mainly by its shouldered fertile flowers with erect to slightly recurved lobes at maturity. In this study, a comprehensive description, diagnostic characters, original photographs, detai...

A new species, Muscari muglaensis Eker, H.Duman & Yıldırım sp. nov. (Asparagaceae) from Turkey, is described and illustrated. It is morphologically similar to M. weissii, M. comosum, M. cycladicum and M. elmasii, but differs mainly by its large bulbs and fruit structure from M. weissii and M. comosum, and long pedicels of fertile flowers and transv...

Campanula sect. Quinqueloculares (Campanulaceae), consisting of ca. 39 mostly chasmophytic species, is one of the most morphologically variable groups in Campanula and includes numerous endemics occurring mostly in Greece and/or Turkey. In this molecular study, we aim to test the monophyly of C. sect. Quinqueloculares and provide divergence time es...

Petrorhagia armerioides (Ser.) P.W.Ball & Heywood (Yalızarçiçeği) Yunanistan ve Türkiye'de yayılışı olan bir türdür. Bitki, Türkiye'de uzun yıllardır kayıp bir tür olarak bilinmektedir. Bu çalışmanın sonucunda bitkinin Türkiye için yeniden keşfi yapılmış, betimi revize edilmiş, yayılış alanının sınırları genişletilmiş ve IUCN kategorisi yeniden bel...

This study aimed to compare the phenolic profiles, enzyme inhibitory activity and antioxidant activity of the bulb, stem and flower parts of Allium paniculatum subsp. villosulum and Allium paniculatum subsp. paniculatum. The total phenolic and flavonoid contents of the extracts were spectrophotometrically determined, and the bulb (21.88 mg GAE/g ex...

Bellevalia bayburtensis (Asparagaceae) is described and illustrated as a new species from Bayburt Province in northeastern Anatolia, Turkey. Diagnostic morphological characters, a full description, detailed illustrations, and a distribution map are provided. It is morphologically similar to B. rixii and B. paradoxa, but clearly differs from these s...

Crocus asymmetricus (Iridaceae) is described as a new species endemic to the southern part of the Anatolian diagonal in Turkey. It is phylogenetically related to C. vitellinus and morphologically to C. antalyensis, but differs from these species in showing an asymmetric corm and a single point of root emergence. Both C. antalyensis and C. asymmetri...

In the study, Puschkinia scilloides Adams, P. bilgineri Yıldırım, and P. peshmenii Rix et B. Mathew were compared anatomically. Although the stem vascular bundles were arranged in two rows in P. peshmenii, they can observed in three rows in P. scilloides and P. bilgineri. In addition, some differences were found, such as the metaxylem number in the...

Scilla hakkariensis, sp. nov. (Asparagaceae), described herein as a new species to science, is endemic to the eastern Anatolian region of Turkey. It is related to S. libanotica Speta and S. mischtschenkoana Grossh., but clearly differs from them based on the morphological differences presented in the species description. Specifically, it is easily...

In our study, Allium nigrum L. and Allium subhirsutum L. were investigated in terms of phenolic profile, acetylcholinesterase (AChE), butyrylcholinesterase (BuChE), and tyrosinase inhibitory potentials. The colorimetric analysis revealed that the highest levels of total phenol (45.6, 15.8 mg GAE/g extract, respectively) and total flavonoid contents...

Zantedeschia aethiopica (L.) Spreng (Araceae) park ve bahçelerde sıklıkla kullanılan bir bitkidir. Dünyanın birçok yerinde, doğallaşarak yayılışı mevcut olan bu türün Türkiye'de yayılışı Muğla'nın Ula ilçesinde bulunan Akçapınar Deresi boyunca bataklık alanlarda tespit edilmiştir. Bu kayıt ile Z. aethiopica Türkiye için yeni bir tür kaydı olarak bi...

Heldreichia bupleurifolia subsp. malatyana is described as a new species from Malatya province, East Anatolia. In the current study, the description, distribution, habitat characteristics and taxonomical relationships with closely related H. bupleurifolia subsp. rotundifolia are given. Heldreichia bupleurifolia subsp. malatyana is easily distinguis...

Rindera cetineri Yıldırım (Boraginaceae) is described here as a new species. Diagnostic morphological characters, a full description, and detailed illustrations are given herein. Rindera cetineri is restricted to the Akdağ Mountain in the Çameli district of the province of Denizli in western Anatolia, Turkey. It shows morphological similarities to...

A stable chymotrypsin-like serine protease was identified from the Euphorbia rigida latex. The enzyme can be a strong candidate for industrial applications.

The Campanulaceae includes ca. 2400 species in five major lineages (Campanuloideae, Cyphioideae, Cyphocarpoideae, Lobelioideae and Nemacladoideae). Campanula represents the most speciose (ca. 420 species) and controversial taxon in the Campanuloideae. Up to now, all phylogenetic studies based on molecular data and modern analytical methods revealed...

Campanula peshmenii Güner Malatya ili, Doğanşehir ilçesi sınırlarında yayılış gösteren lokal endemik bir türdür. Bu türün günümüze kadar sadece tek bir lokalitede yayılış gösterdiği bilinmekteydi. Ağustos 2018’de keşfedilen yeni bir popülasyonu ile lokal endemik ve CR tehlike kategorisindeki bu türün, yayılış alanının sınırları genişletilmiş ve IUC...

Allium sultanae-ismailii Yıldırım (Amaryllidaceae) is described here as a new species. Diagnostic morphological characters, a full description, and detailed illustrations are given herein. A. sultanae-ismailii is restricted to Mt. Akbabaçalı in Darende district of Malatya province in eastern Anatolia, Turkey. According to its morphological features...

Malvastrum coromandelianum (L.) Garcke (Malvaceae/Ebegümecigiller) türü Türkiye florası için yeni bir istilacı tür kaydı olarak verilmektedir. Makalede türün betimi, ayrıntılı fotoğrafları ve dağılımı verilmiştir. Anahtar kelimeler: Malvastrum, Malvaceae, yeni kayıt, flora, Türkiye A new invasive plant species record for Turkey: Malvastrum coromand...

Muscari pallens (M.Bieb.) Fisch. is recorded for the first time in Turkey based on the specimens collected from Van province. The taxonomic relationship of the new record taxon is compared with close relative Muscari armeniacum Leichtlin ex Baker in the subgenus Botryanthus and the other taxa in the subgenus Pseudomuscari. An expanded description a...

Introduction and objective Since antiquity, C. babylonica (L.) L. extracts has been used as a remedy for primary health care in traditional medicine. In this study, a total of seven different crude extracts (acetone, chloroform, hexane, ethylacetate, methanol, ethanol and water) from branches and leaves of C. babylonica (L.) L. were prepared to det...

Campanula phitosiana Yıldırım & Şentürk (Campanulaceae) is described as a new species from the Aydın Mountains range in western Turkey. Diagnostic characteristics, a full description, and comprehensive illustrations and microphotographs of the pollens and seeds are provided. Campanula phitosiana is a stenoendemic species distributed along the Aydın...

Allium yamadagensis is described here as a new species. This taxon belongs to the genus Allium section Allium and grows in Malatya Province (eastern Anatolia, Turkey). It is a narrowly distributed species and morphologically most similar to A. sintenisii, A. erzincanicum, A. ekimianum and A. asperiflorum but it is clearly differentiated due to scab...

Bidens pilosa L. was collected during field trip to Osmaniye/Turkey in September 2018. Bidens pilosa is a recorded a new taxa for Flora of Turkey. It's diagnostic characters, description and photographs are given in article. The geographical distribution in Turkey of the new record is mapped. Bidens pilosa is slightly related to Bidens frondosa, bu...

Campanula leblebicii Yıldırım (Campanulaceae) is described here as a new species. Diagnostic morphological characters, a full description, and detailed illustrations are given herein. C. leblebicii is restricted to the Çaldede Mountain in Kemalpaşa district of İzmir Province in western Anatolia, Turkey. According to its morphological features, it b...

In addition, the study was presented as a flash talk at the conference.

Campanula stricta Türkiye, Kafkasya, İran, Irak ve Lübnan olmak üzere oldukça geniş bir coğrafyada yayılış gösterir. Bu geniş yayılışın bir sonucu olarak farklı coğrafyalarda ve farklı habitatlarda birçok popülasyon serisi oluşturmaktadır. Söz konusu popülasyon serilerinden birçok yeni takson tanımlanmıştır. Bunlardan var. alidaghensis, var. libano...

Chaenorhinum ismi ilk kez 1815 yılında de Candole tarafından Linaria cinsi altında seksiyon bazında verilmiştir. Yıllar içerisinde pek çok değişiklikten sonra en son Speta tarafından cins bazında ele alınmıştır. Chaenorhinum cinsi Türkiye de 11 takson ile temsil edilen bir cinstir. Bu taksonların 6 tanesi ülkemiz için endemiktir. 2010 yılında Yıldı...

Ranunculus bullatus L. Türkiye için yeni bir takson kaydı olarak bildirilmiştir. Makalede taksonun betimi ve dağılımı verilmiştir. Yakın akraba türü olan Ranunculus cytheraeus (Halácsy) Baldini ile karşılaştırılmıştır.(Ranunculus bullatus L. is recorded as a new plant taxon for Turkish flora. The description and distribution of the species are give...

Background: Studies of ethnobotanical usages in south-eastern Turkey are rare. To widen this field of knowledge, we conducted an ethnobotanical study in Midyat (Mardin Province), Turkey. Methods: The field study was completed during three years (2007–2010). Our aim was to document the ethnobotanical uses of local plants and to make an ethnobotanica...

zet: Alkanna strigosa Boiss. & Hohen. Türkiye için yeni bir takson kaydı olarak bildirilmiştir. Makalede türün betimi ve dağılımı verilmiştir. Yakın akraba türü olan Alkanna tinctoria (L.) Tausch ile karşılaştırılmıştır. Abstract: Alkanna strigosa Boiss. & Hohen. is recorded as a new plant taxa for Turkish flora. The description and distribution of...

Ebenus zekiyeae Aytaç & Yıldırım sp. nov. (Fabaceae) was described and illustrated from Eastern Anatolia, Turkey. The new taxon grows on dry stony slopes in Erzurum Province. It is closely related to Ebenus reseei Hub.-Mor. an E. Medit. element of Anatolia. Diagnostic morphological characters were discussed. The leaflets and pollen structure of new...

Peucedanum guvenianum Yıldırım & H.Duman is described as a species new to science. It is endemic to the West Anatolia region of Turkey. It is known from a single locality in İzmir Province. P. guvenianum shows similarities to P. longifolium, P. ruthenicum, and P. vourinense. Diagnostic morphological characters are discussed and compared with those...

The objective of this study was to investigate the chemical composition, antioxidant, anticholinesterase and anti-urease activities of essential oil, hexane, acetone and methanol extracts of Sideritis pisidica Boiss. & Heldr. The essential oil and fatty acid composition were analyzed by GC and GC/MS. δ-Cadinene (19.5 %), T-cadinol (16.7 %) and β-cu...