FLORA OF VIETNAM Orchidaceae Acanthephippium striatum Lindl.
Vietnam, Quang Binh Prov., Minh Hoa Distr., Dan Hoa municipality, Vietnam-Laotian border, around Cha Lo border gate, point 17°41′50″N 105°45′54″E. Primary broad-leaved forest on steep rocky mountain slopes composed with ochre-brown shale at elevation 300-450 m a.s.l. Terrestrial herb on shady humid steep slope. Flowers white, tepals with purple nerves. Lip with purple apex. Not common. HAL 11647 18 April 2008 photo Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang