FLORA OF VIETNAM

Fam. Orchidaceae

Paphiopedilum barbigerum T.Tang et F.T.Wang var. lockianum Aver.

N. Vietnam, Prov. Son La, Distr. Moc Chau, Mun. Dong Sang, vill. Ba Phach, 20ø49'N, 104ø39'E, 1000-1100 m a.s.l. Lithophytic herb 20-30 cm tall, scattered or clustered in small groups in heavily logged evergreen tropical seasonal broad-leaved submontane forest on lightly shaded vertical cliffs, in cracks or narrow shelves of south-east slope of limestone mountains near the ridge top. Dorsal sepal brownish red with white margin and without darkish dots. Main forest dominantes are Acer sp., Lithocarpus sp.sp., Quercus sp.sp., Polyalthia sp., Pistacia weinmannifolia, Schefflera pes-avis, Phyllanthus sp., Quercus sp.sp., Sapotaceae, etc. Common ferns and herbs in understory are Cyrtomium hemionitis, C. pachyphyllum, Polystichum sp., Pteris deltodon, Phaphiopedilum dianthum, Begonia sp.sp., Carex phankei, and Urticaceae sp.sp. Rare with very limited distribution.

03 November 2001. Collectors: Phan Ke Loc, Nguyen Quang Hieu, Tran Tuan Anh, Nguyen Van Dinh and Nguyen Van Luyen P-10546.