FLORA OF VIETNAM
Gesneriaceae Phu Tho Prov., Tan Son Distr., Xuan Son Municipality, Du village, Ten Mountain, around mountain top, point 21°06′49”N 104°56′03”E.

Primary broad-leaved evergreen forest on steep mountain slopes composed with shale at elevation 800-1000 m a.s.l.

Terrestrial and lithophytic herb on very steep shady rocky wet slope. Locally common.

HAL 12747 18 February 2009
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.