FLORA OF VIETNAM Petrosavia sinii (Krause) Gagnep.
S. Vietnam, Prov. Lam Dong, distr. Lac Duong, municipalite Da Chay, 32.5 km to NE from Dalat city. Closed primary broadleaved mt forest along mt ridge in 5-6 km to NNW from main Bi Dup peak at 1800-1900 m alt. (N 12° 07′, E 108° 41′). Chlorophyll less saprophyte. Rare. VH 3339 29.03.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)