FLORA OF VIETNAM
Orchidaceae
Cheirostylis cristata Aver., sp.nov. Type

Phu Tho Prov., Tan Son Distr., Xuan Son Municipality, Du village, around point 21°06′57”N 104°57′17”E.

Primary broad-leaved closed wet forest on very steep rocky slopes and cliffs of low remnant mountains composed with highly eroded solid marble-like limestone at elevation 400-500 m a.s.l.

Terrestrial and lithophytic creeping herb on mossy wet rocks in shady rocky valley of small stream. Flowers buds white, sepals with light greenish tint at the base. Very rare.

HAL 12692a 16 February 2009
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.