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.
Terrestrial herb on mountain shady slope. Flowers dull light greenish with light violet tint. Locally common.
Record creation: 2020-12-18, Аверьянов Леонид ВладимировичCitation: Specimen LE 01088518 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01088518