The border of Lam Dong and Khanh Hoa Provinces, Khanh Le Pass (Hon Giao Pass) area, primary humid evergreen broad-leaved and mixed forest with Pinus krempfii) on granite and gneiss at elev. 1400-1500 m a.s.l. Epiphytic and lithophytic undershrub to 1 m tall on very steep open road cut. Flowers light yellowish. Locally common. 29 October 2019, L. Averyanov, Nguyen Van Canh, T. Maisak, AL 1232.