S. Vietnam, Prov. Ninh Thuan, distr. Ninh Son, municipalite Phuoc Binh, 37 km to NE from Dalat city. Closed primary broadleaved mt forest on E macroslope of Gia Rinh mt. ridge at 1300-1400 m alt. (N 12° 06′, E 108° 43′). Vine about 12 m lg on very steep stream canyon slope. Flowers white. Very rare. VH 3519 02.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)
Collectors: L. Averyanov, N.Q. Binh, P.K. Loc 02 04 1997FLORA OF VIETNAM
Poilannammia aff. P. allomorphioidea C.Hans.
S. Vietnam, Prov. Ninh Thuan, distr. Ninh Son, municipalite Phuoc Binh, 37 km to NE from Dalat city. Closed primary broadleaved wet mt forest on E macroslope of Gia Rinh mt. ridge at 1600-1700 m alt. (N 12° 06′, E 108° 43′). Shrub or treelet up to 4-5 m hg. Not rare. VH 3520 02.04.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)