FLORA OF VIETNAM N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thong Hoa, vicinities of Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Primary evergreen closed broadleaved forest on steep slopes and bluffs of limestone mesas at 500-550 m alt. Chlorophyll less pinkish-yellow saprophyte. Flowers yellowish ? Rare.
VH 4677 16.05.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)