Research Paper

Stemona namkhunensis (Stemonaceae), a new species from Eastern Thailand

Wilawan Promprom, Wannachai Chatan

Published on: 09 August 2021

Page: 332 - 336

DOI: 10.6165/tai.2021.66.332

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2021 vol.66 no.3 pp.332-336


Stemona namkhunensis Chatan & Promprom, a new species from the East of Thailand, is described and illustrated. It is morphologically similar to S. collinsiae Craib but clearly differs in the characteristic of the petiole, lamina, tepal, stamen, pistil, simple and pedunculated flower, and lacking bract. A morphological description, distribution, ecology, etymology, vernacular name, preliminary conservation status, and photographs are provided. A key to species of the erect species in Thailand is presented.

Keyword: Erect species, new species, Stemona collinsiae, taxonomy, Ubon Ratchathani Province