Quang Tri Prov., Da Krong Distr., Ta Rut municipality, A Pul village, around point 16°24’29”N 107°01’07”E.
Highly destroyed primary and secondary broadleaved evergreen open forest along rocky river canyon composed with shale and sandstone at elev. about 300 m a.s.l. Tree 5-6 m tall along shady river slope. Flowers yellowish. Not common.