FLORA OF VIETNAM Commelinaceae Streptolirion volubilis Edgew. Northern Vietnam, Lao Cai Prov., Van Ban Distr., Khanh Yen Ha municipality, to the SW of Na Nheo village (in the vicinity of point 21°57′59′'N, 104°14′06′'E). Secondary very wet evergreen closed broad-leaved montane forest with bamboo on steep granite and quartzite slopes along rocky stream at elev. 1700 m a.s.l. Terrestrial creeping herb vine in wet place. Leaves green with dirty purple irregular spot. Common.