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Issue: Vol. 625 No. 3: 14 Nov. 2023
Type: Article
Published: 2023-11-14
DOI: 10.11646/phytotaxa.625.3.2
Page range: 248-264
Abstract views: 240
PDF downloaded: 13

Polygonum terzioglui sp. nov. (Polygonaceae), from Northeast Turkey

Recep Tayyip Erdoğan University; Faculty of Sciences and Arts; Department of Biology; Rize; Turkey
Recep Tayyip Erdoğan University; Faculty of Sciences and Arts; Department of Biology; Rize; Turkey
Giresun University; Dereli Vocational School; Department of Forestry; Giresun; Turkey
Karadeniz Technical University; Faculty of Science; Department of Molecular Biology and Genetics; Trabzon; Turkey
Karadeniz Technical University; Science Faculty; Department of Biology; Trabzon; Turkey
Eudicots Anatolia endemic ochrea phylogeny taxonomy

Abstract

Polygonum terzioglui (Polygonaceae), a new species from northernmost part of Turkey, is described based morphological, and molecular evidence. In addition, the leaf, ochrea, and fruit micromorphological traits of the new species are described. All findings revealed that the new species is closely related to P. samsunicum which is endemic to Turkey, but differs in its ochrea divided near the apex, 21 ̶ 27 nerved ochrea, obovate-broadly elliptic leaf, and ovate ̶ narrowly ovate fruit. The current results from the ITS data set also show that P. terzioglui is a member of the sect. Polygonum and separated from its morphologically closest relatives.

 

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