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. 16 November 2014 CPC 7490 photos Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz Herbarium and photos are prepared in 10.11.2020, flowers dirty violet, L. Averyanov, T. Maisak, CPC 7490.1, GN 14391.
Coordinates (geographic position):22° 38′ 19″ N, 105° 17′ 6.5″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077626 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077626