FLORA OF VIETNAM
Orchidaceae Juss.
Cleisostoma flavescens Aver. et Averyanova, sp.nov.
TYPE

N. Vietnam, Tuyen Quang prov., Na Hang distr., Xuan Tam municipality,
near Ban Cai village (22°29′18′'N, 105°19′47′'E). Primary broad-leaved
evergreen dry forest on very steep slopes of highly eroded remnant
limestone ridge at elev. 450-500 m a.s.l. Epiphyte. Common.

HAL 240 22 March 2001

Collectors: P.K.Loc, N.X.Tam, L. Averyanov.

Flowered in horto at December-January 2002.
Flowers odourless, tepals and lip light dull yellow, side lobes and
apex of the lip white, column yellowish-white, anther cup dull yellow
with few small purple marks near apex; ovary dull yellowish-green with
light indistinct purple tint.
27 January 2002 L.Averyanov.