FLORA OF VIETNAM
Orchidaceae
Bulbophyllum protractum Hook.f.

N. Viet Nam, Ha Giang Prov., Quan Ba Distr., Bat Dai Son mt. just
west of border station. Forest on steep slopes of rocky limestone
outcrops along ridges around point 23°09′18″N, 105°00′09″E at elev.
1100-1250 m. Lithophyte, tepals dull yellow, rostellum and lip
brighter yellow. Occasional.

4 April 2000. Collectors: D.K.Harder, N.T. Hiep, L.V. Averyanov, N.
Q. Hieu, DKH 5044. Det.: L. Averyanov, Aug. 2002.