Thanh Hoa Prov., Thuong Xuan Distr., Bat Mot Municipality, Ban Vin vill., Xuan Lien Nature Reserve, shale mountains, around point 19°58′18″N 104°59′10″E, 950-1100 m.
In primary closed evergreen seasonal tropical broad-leaved submontane forests on stream banks.
Terrestrial herb up to 0.4 m tall on shady wet slope. Clustered. Flowers pinkish.
HAL 11150 18 Aug. 2007 Photos Coll.: P.K. Loc, N.S. Khang, N.T.Vinh & L.V. Hung
Grant from MOST, Council for Natural Science, Section of Life Sciences (6.077.06), Vietnam