Northern Vietnam, Tuyen Quang Prov., Na Hang Distr., Thuong Lam Municipality, Na Lau village, in the vicinity of point 22ø28'23''N, 105ø19'47''E. Primary evergreen seasonal broad-leaved forest on highly eroded remnant ridge composed with soft stratified limestone consolidated with numerous quartzite dikes at elev. 450-500 m a.s.l. Tree about 12 m tall on top of ridge. Occasional.
Record creation: 2026-09-29, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360582 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360582