FLORA OF VIETNAM

Fam. Orchidaceae

Hetaeria biloba (Ridl.) Seidenf. et J.J.Wood

( = H. rotundiloba J.J.Smith)

N. Viet Nam, Lao Cai Prov., Van Ban Distr., Nam Xe Municipality, Nam Xi Tan village. W-facing slope along stream between Nam Xe and Khau Co Pass at near 40 km to Than Uyen. Secondary forest on top of ridge on eroded granite soils (22ø02'31"N, 103ø58'32"E - 22ø02'57"N, 103ø58'35"E) at elev. 700-1113 m. Terrestrial herb. Stems succulent, sometimes with red, peduncle red-green, bracts red-pink, young ovary dull green, lateral tepals dull red-green with white then dull red at tip, lower lip similar, 2-lip petals forming hood over rostellum, bright white, pink at base. Rare.

26 February 2001. Colectors: D.K. Harder, P.K. Loc, N.T. Hiep, N. Q. Hieu, G.E. Schatz, S. Bodine, DKH 6987. Det.: L. Averyanov, Aug. 2002.