Vitaceae Juss. Cayratia hayatae Gagnep. S. Vietnam, Prov. Kontum. Open dry secondary forest at 1500-1600 m alt. on NW slope of Ngoc Linh mountain system near Long Nam village. Wine near 3-4 m lg. VH 1221 09.04.1995 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5094-93)
Participants: L. Averyanov, N.T. Ban, N. Q. Binh, A. Budantzev, L. Budantzev, N.T. Hiep, D.D. Huyen, P.K. Loc, N.X. Tam, G. Yakovlev