Phu Tho Prov., Tan Son Distr., Xuan Son Comm., Can mt., around point 21010′02” N, 104054′24” E, ca. 900-1140 m, ca. 5 km to NW of Coi vill., 21009′13” N, 104056′47” E, upper parts of slope and ridges of limestone mountains.
In slightly logged primary closed evergreen mixte or broad-leaved submontane forests
Perennial terrestrial herb, leaves blackish.
HAL 11266 22 Oct 2007 Loc’s Photos: 23404a-23404 Coll.: P.K. Loc, N.T. Vinh & L.P. Ngau
Grant from MOST, Council for Natural Science, Section of Life Sciences (6.077.06), Vietnam