Rubiaceae

Argostemma sp. “glabra”

The border of Lam Dong and Khanh Hoa Provinces, Khanh Le Pass (Hon Giao Pass) area, primary humid evergreen broad-leaved and coniferous (with Pinis dalatensis and P. krempfii) cloud forest on granite and gneiss at elevation 1500-1600 m a.s.l. Terrestrial and lithophytic herb along shady wet stream canyon. Very common. 20 April 2025, Truong Quang Cuong, L. Averyanov, Nguyen Van Canh, T. Maisak, AL3887.