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Пишет Species New to Science ([info]syn_novataxa)
@ 2025-09-20 08:10:00


Previous Entry  Add to memories!  Tell a Friend!  Next Entry
[Botany • 2025] Heteropolygonatum farreri (Asparagaceae: Convallarioideae) • A New Species from the Gaoligongshan in eastern Myanmar and western China


Heteropolygonatum farreri Floden, 

in Floden et Pendry, 2025.

Abstract
A new species of HeteropolygonatumH. farreri, is described from the easternmost part of Myanmar and western Yunnan in a limestone region of the Gaoligongshan. It is morphologically similar to Heteropolygonatum marmoratum but differs by its shortly scabrous stem, narrowly cylindrical perianth with lanceolate tepals, red-orange fruit, and diploid chromosome count. An illustration of the new species is provided, as is a map of its distribution and that of its closest relative, Heteropolygonatum marmoratum, showing their disjunction. Chromosome counts for Heteropolygonatum farreri (2n = 32) and a second count for H. marmoratum (2n = 4x = 64) are given.

Keywords: Asparagaceae, China, Chromosome, Endemic, Heteropolygonatum, Myanmar

Heteropolygonatum farreri Floden, sp. nov.
A, Habit in the field in Myanmar; B, a leafy stem with fruit; C, the perianth (outer surface; dissected, showing the insertion level of the filaments, and the lengths of the ovary and style; and showing the filament shape and lightly papillose surface ornamentation).
Scale bars in C: 1 mm. All photographs of B.Olsen s.n. (TENN), 
taken by B. Olsen (A and B) and A. J. Floden (C).


A. J. Floden and C. A. Pendry. 2025. A New Species of Heteropolygonatum (ASPARAGACEAE: CONVALLARIOIDEAE, POLYGONATEAE) from the Gaoligongshan in eastern MYANMAR and western CHINA.  Edinburgh Journal of Botany. 82; DOI: doi.org/10.24823/ejb.2025.2057 



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