L.Averyanov, K.L.Phan, T.D.Do & T.V.Nguyen HAL 3957
Locality
Thanh Hoa Prov., Ba Thuoc Distr., Thanh Son Municipality, middle part of the Pu Luong Range to the W of Long Bong village. Primary evergreen seasonal broad-leaved closed submontane forest on basalt along main ridge at elev. 1200-1400 m a.s.l.