FLORA OF VIETNAM
Orchidaceae
Renanthera citrina Aver.

N.Vietnam, Bac Kan Prov., Na Ri Distr., Liem Thuy Municipality, village Na Bo, around point 21°56′44′'N, 106°05′09′'E, at elevation 300-700 m a.s.l. Primary broad-leaved evergreen closed wet forest on very steep slopes and cliffs of rocky ridges and mesae composed with white solid marble-like crystalline limestone. Epiphyte on high trees. Flowers yellowish with purple marks. Rare.
HAL 4907 27 May 2004 (Silica fix.).
Collectors: L.Averyanov, N.T.Hiep, P.V.The, N.T.Vinh.