Phu Tho Prov., Tan Son Distr., Xuan Son Municipality, Du village, around point 21°06’57”N 104°57’17”E. Primary broad-leaved closed wet forest on very steep rocky slopes and cliffs of low remnant mountains composed with highly eroded solid marble-like limestone at elevation 400-600 m a.s.l. Terrestrial herb on steep shady rocky slope. Very common.
HAL 12666 16 February 2009
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.
Fl. at cultivation in October 2012
d-EXSICCATES OF VIETNAMESE FLORA 0196/HAL 12666 (LE)