Quang Nam Prov., Dai Loc Distr., Dai Hong municipality, environs of Dai Hong town around point 15°49’19”N 107°56’58”E.
Remnants of primary broadleaved evergreen forest on rocky sandy uplifted plateau composed with eroded sandstone at elev. about 500 m a.s.l. Tree 10-12 m tall in rocky places along small rocky stream. Occasional.