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.
Terrestrial herb to 2 m tall in wet shady place along trail on steep slope near to top of ridge along trail. Flowers dirty violet. Occasional.