Da Nang City, Hoa Vang Distr., Hoa Ninh municipality, Ba Na – Nui Chua protected area, around point 15°59’52”N 107°59’04”E. Highly destroyed primary and secondary broadleaved evergreen forest on very steep mountain slopes with granite mother rocks at elev. 1200-1500 m a.s.l. Treelet 3-4 m tall on very step shady slope near top of ridge. Flowers white. Occasional.