Ha Giang Prov., Bac Me Distr., Phieng Luong municipality, around Phieng Day village. Degraded primary broad-leaved humid evergreen forest along rocky canyon of small stream at the base of mountains composed with solid crystalline highly eroded limestone at elevation 900-1000 m a.s.l. around point 22°38’43.8’’N 105°19’19.8’’E. Terrestrial and lithophytic rosulate herb along stream rocks near water. Fruits glossy blue. Locally abundant. 14 November 2014 CPC 7469 / 14427 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz Flowered in 25 May 2018. Flowers dull pale violet. Photos. L. Averyanov
Coordinates (geographic position):22° 38′ 43.8″ N, 105° 19′ 19.8″ E ±1000 mRecord creation: 2019-01-13, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01048622 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01048622