FLORA OF VIETNAM

Plants of Lo Go Xa Mat NP

Orchidaceae

Trias nasuta (Rchb.f.) Stapf.

Vietnam, Tay Ninh Prov., Tan Bien Distr., Tan Binh Municipality, around Da Ha FP Station, point 11°35’14”N 105°53’18”E.

In slightly logged primary closed evergreen broad-leaved lowland forest with the dominance of species of Dipterocarpaceae (Dipterocarpus dyeri, D. costatus, D. alatus, D. obtusifolius, Shorea sp.) mixed with Lagerstroemia calyculata, Irvingia malayana, Anogeissus acuminata, Sindora siamensis, Pterospermum sp., on thin soils at elevation about 13 m a.s.l.

Epiphyte on tall tree. Tepals in old flowers white, lip yellow. Rare.

HLF 7452 19 December 2008 Photo

Coll. T.H.Thai, Averyanov L., P.K.Loc, P.V.The, Averyanova A., N.T.Vinh.

Grant from Henry Luce Foundation.

Flowered in 27 June 2018. Flowers dull yellow, lip dull yellow with red-brownish base of epichile. Photos L. Averyanov.