N.Vietnam, Bac Kan Prov., Cho Don Distr., Ban Thi Municipality, village Phia Khao, around point 22º15'52''N, 105º32'01''E at elevation 800-900 m a.s.l. (Po Luong mountain). Primary broad-leaved evergreen closed forest on very steep slopes and cliffs near and on tops of rocky ridge composed with solid marble-like stratified limestone. Tree 10-15 m tall on tops of ridge. Not common mono-dominant of
coniferous forest (with Fokienia hodginsii) on some peaks of the ridge.
Record creation: 2026-03-07, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203894 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203894