Quang Nam Prov., Dong Giang Distr., Ma Cooih Municipality around point 15°49′09”N 107°44′15”E.
Remnants of primary closed evergreen broad-leaved forests on very steep rocky slopes of stream canyon composed with sandstone at elevation 150 m a.s.l.
Terrestrial herb on shady stream slope. Common.
HAL 12164 10 January 2009 Coll.: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh