Abstract
A revision of the herbarium materials, previously referred to the Ranunculus alaiensis Ostenf. described from the Pamir-Alai, was carried out. It has been founded that the range of this species, previously considered as Central Asian, is limited to Pamir-Alay. The new species Ranunculus talassicus Schegol. et A.L. Ebel is described based on materials collected in the northern part of the Western Tien Shan (Republic of Kazakhstan, Turkestan Oblast) and their subsequent comparison with specimens stored in herbarium collections TASH, AA, TAD, MW, LE, KE, TK. The new species well differs from Ranunculus alaiensis by triple-dissected basal leaves. Apparently, Ranunculus talassicus is endemic to the Western Tien Shan. All presently known localities of this species were found mainly in the northern part of the Western Tien Shan, at an altitude of 2400-3000 m above sea level, within Kazakhstan, Uzbekistan, Kyrgyzstan.
Highlights
A revision of the herbarium materials, previously referred to the Ranunculus alaiensis Ostenf. described from the Pamir-Alai, was carried out
It has been founded that the range of this species, previously considered as Central Asian, is limited to Pamir-Alay
Ebel is described based on materials collected in the northern part of the Western Tien Shan (Republic of Kazakhstan, Turkestan Oblast) and their subsequent comparison with specimens stored in herbarium collections TASH, AA, TAD, MW, LE, KE, TK
Summary
A revision of the herbarium materials, previously referred to the Ranunculus alaiensis Ostenf.
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