FLORA OF VIETNAM
Plants of Lo Go Xa Mat NP
Orchidaceae
Cleisostoma simondii (Gagnep.) Seidenf.

Vietnam, Tay Ninh Prov., Tan Bien Distr., Tan Binh Municipality, Ta Not FP Station, around point 11°39′43”N 105°53′39”E. Dry Dipterocarp woodlands and grasslands on thin ferralite soils at elevation about 13 m a.s.l. Epiphyte on old Dipterocarp tree. Rare.
HLF 7668 25 December 2008
Coll. T.H.Thai, Averyanov L., P.K.Loc, P.V.The, Averyanova A., N.T.Vinh.
Grant from Henry Luce Foundation.

Flowered under cultivation in Ocrober 2009. Flowers odorless; sepals and petals dull yellow with 3 purple nerves; lip white, sometimes with light violet tint, side-lobes purple-violet, , callus white, spur yellowish-white with purple nerves; column dull yellow, anther dull yellow with purple apex, stigma white. Photos.