Northern Vietnam, Ha Giang Prov., Quan Ba Distr., Can Ty Municipality, in the vicinity of Sin Suoi Ho village at right side of Mien River, about 1 km to the N from point 23ø07'12''N, 105ø00'52''E. Primary coniferous forest with Pseudotsuga brevifolia on remnant highly eroded limestone ridge at elev. 1000-1200 m a.s.l. Terrestrial blue to blue-violet chlorophylless herb up to 20 cm tall on shady rocky slope. Rare.
No HAL 1573 (Photo) 11 May 2002 Collectors: P.K.Loc, L.Averyanov, N.T.Vinh.
Coordinates (geographic position):23° 7′ 12″ N, 105° 0′ 52″ E ±1000 mRecord creation: 2019-06-28, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01055868 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01055868