FLORA OF VIETNAM. Procris rhizantha Gagnep. S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay,. 32.5 km to NE from Dalat city. Closed primary broadleaved mt forest. along very wet deep stream canyon on NNW macroslope of Bi Dup mt. system in 6-7 km to NNW from main peak at 1700-1800 m alt. . (N 12° 07', E 108° 41'). Epiphyte on mossy stems of old trees. Inflorescence fleshy, white. Not common. No VH 3436  30.03.1997. International Botanical Expedition of the U.S.A. National Geographic. Society (grant No 5803-96). . Collectors: L. Averyanov, N.Q. Binh, P.K. Loc