Smilax lanceifolia Roxb. S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 35 km to NE from Dalat city. Old closed evergreen broadleaved secondary forest rich in primary elements along mt river on W macroslope of Bi Dup mt system at 1500 m alt. (N 12° 08′, E 108° 39′). Woody vine up to 10 m lg. Not rare. VH 3209 26.03.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)