Orchidaceae

Cephalantheropsis obcordata (Lindl.) Ormerod

Ha Giang Province, Quan Ba District, Ta Van Commune, around point, N23.03884º E104.85062º, 1150-1290 m a.s.l., remnants of primary evergreen broad-leaved forest on steep slopes mixed with conifers on ridge and tops of limestone mountains. Terrestrial herb about 45-70 cm, flower greenish yellow, and lip white. Common, 18 November 2019, Nguyen Sinh Khang, Nguyen Van Du, Mac Mahan Scott Forrest, Zale Peter Jeffrey & Paige Gregory, HG-QB 12