Kon Tum Prov., Dak Gley Distr., Dak Man Municipality around point 15°13′25”N 107°43′40”E.
Primary closed evergreen broad-leaved wet forest on steep mountain slopes and along ridge composed with shale and granite at elevation 1000-1050 m a.s.l.
Erect herb to 2 m tall in wet open place. Flowers yellowish. Rare.
HAL 12030 7 January 2009 Coll.: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh