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Plant Sciences

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2024

Endemic

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Mattiastrum Pulumurense (Cynoglossinae, Boraginaceae), A New Endemic Species From Türkiye, Asli Doğru Koca, Mustafa Gökmen, Gülderen Yilmaz, Mehmet Yavuz Paksoy Jul 2024

Mattiastrum Pulumurense (Cynoglossinae, Boraginaceae), A New Endemic Species From Türkiye, Asli Doğru Koca, Mustafa Gökmen, Gülderen Yilmaz, Mehmet Yavuz Paksoy

Turkish Journal of Botany

A new species, Mattiastrum pulumurense, has been described from Tunceli in eastern Turkey. It is generally distinguished from other species (except M. racemosum var. scabridum) by a sparsely hairy or glabrescent above-ground part. It is most similar morphologically to M. longipes, M. calycinum and Paracaryum hedgei (P. hedgei is potential a member of the genus Mattiastrum). However, it differs from M. longipes and M. calycinum by its 3-3.5 mm long and linear lanceolate scales, 2.5-4.5 mm long anthers, and 10-15 mm long styles; it differs from Paracaryum hedgei by its 3-3.5 mm long scales, 2.5-4.5 mm long anthers. In addition, …


Cephalaria Gokturkii (Caprifoliaceae), A New Species From Southwestern Anatolia, Türkiye, Gürkan Semi̇z, Meryem Bozkurt, Batıkan Günal, Tuna Uysal May 2024

Cephalaria Gokturkii (Caprifoliaceae), A New Species From Southwestern Anatolia, Türkiye, Gürkan Semi̇z, Meryem Bozkurt, Batıkan Günal, Tuna Uysal

Turkish Journal of Botany

A new Cephalaria (Caprifoliaceae) species, Cephalaria gokturkii, is described and illustrated from Girdev Mountain (Muğla Province) for the Flora of Türkiye. Throughout this manuscript, the new species and its relatives were compared in terms of morphological, palynological and molecular features. The obtained findings indicated that the new species is similar to C. elmaliensis but is characterized by having larger capitula and receptacular bracts in flower (vs. 1‒2 cm capitula and less than 3 mm in flower) and hairy trigonous-narrowly ovate involucral bracts (vs. glabrous and broadly ovate involucral bracts) and smaller involucels (vs. involucels longer than 10 mm in fruit). …


A New Species From Türkiye, Centaurea Turhanii (Cardueae, Asteraceae), Tuna Uysal, Meryem Bozkurt, Ergi̇n Hamzaoğlu Jan 2024

A New Species From Türkiye, Centaurea Turhanii (Cardueae, Asteraceae), Tuna Uysal, Meryem Bozkurt, Ergi̇n Hamzaoğlu

Turkish Journal of Botany

In this article, a new cornflower, Centaurea turhanii Uysal & Hamzaoğlu (Asteraceae) from Türkiye was described and reported. Morphological, karyological, and molecular analyses were used to reveal the taxonomic status of the new species with the species thought to be related to taxa. A modified determination key was submitted and its ecology and phenology were given.


On The Border Of Extinction And Speciation, Polygala Seyfegoluensis (Polygalaceae), A New Species From Marshy Habitat, Central Türkiye: Under The Threat Of Climate Change, Water Retreat, And Subsequent Degradation, Ali̇ Aslan Dönmez, Zübeyde Uğurlu Aydin, İbrahi̇m Sirri Yüzbaşioğlu Jan 2024

On The Border Of Extinction And Speciation, Polygala Seyfegoluensis (Polygalaceae), A New Species From Marshy Habitat, Central Türkiye: Under The Threat Of Climate Change, Water Retreat, And Subsequent Degradation, Ali̇ Aslan Dönmez, Zübeyde Uğurlu Aydin, İbrahi̇m Sirri Yüzbaşioğlu

Turkish Journal of Botany

Polygala seyfegoluensis Dönmez, Uğurlu & Yüzb. (Polygalaceae) is herein described and illustrated as a new species from Kırşehir Province around Seyfe Lake in Central Türkiye. This new species is similar to P. pruinosa and P. supina is distinctly characterized by its prostrate habit, nearly glabrous and smaller flower parts, and an unwinged capsule. A phylogenetic analysis was conducted to show the placement of the new species within selected Polygala taxa using the trnL-F and rbcL markers. Based on the field observation, an evolutionary scenario is proposed for the new species under the driving forces of climate change, the shrinking of …