TY -JOUR AU -Wilawan Promprom AU -Wannachai Chatan TI -Stemona namkhunensis (Stemonaceae), a new species from Eastern Thailand PY -2021 DA -2021-08-09 JO -Taiwania VL -66 IS -3 SP -332 EP -336 UR -https://taiwania.ntu.edu.tw/abstract/1766 AB -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. DO -10.6165/tai.2021.66.332