Ha Giang Prov., Bac Me Distr., Thuong Tan municipality. Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1200-1285 m a.s.l. around point 22°38’19.0’’N 105°17’06.5’’E.
Record creation: 2026-02-10, Galina Savich, PhotoScan D2Citation: Specimen LE 01318761 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01318761