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. Terrestrial herb in shady place on rocky slope of limestone mountain. Rare. 14 November 2014 CPC 7443 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz
Coordinates (geographic position):22° 38′ 24.3″ N, 105° 20′ 21.3″ E ±1000 mRecord creation: 2020-10-31, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01074043 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01074043