FLORA OF VIETNAM
Asclepiadaceae
Hoya sp.

N.Vietnam, Ha Tinh Prov., Huong Son Distr., Son Kim Municipality, Rao
Bun stream around point 18°23′39′'N, 105°15′12′'E. Primary and
secondary broad-leaved evergreen closed wet forest on very steep shale
slopes of river canyon at elevation about 300-350 m a.s.l.

Epiphytic woody vine 3-4 m long. Flowers white with pink tint, central
disc red. Occasional.

HAL 5132 5 May 2004

Collectors: P.K.Loc, L.Averyanov, P.V.The, N.T.Vinh.