Border area between Phieng Luong municipality (Ha Giang Prov., Bac Me Distr.) and Sinh Long municipalitiy (Tuen Quang Prov., Na Hang Distr.). Primary broad-leaved humid evergreen and mixed forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1100-1170 m a.s.l. around point 22°38’24.3’’N 105°20’21.3’’E. Tree 12-15 m tall and 30-40 cm DBH on rocky ridge edge, particularly on mountain tops. Locally common (on tops of one mountain).
Record creation: 2026-03-08, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203915 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203915