Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Coi Gao village, around point 20°26’07”N 105°17’19”E. Secondary rich forest on steep rocky slopes of limestone mountain at elevation about 600 m a.s.l. terrestrial herb on shady mossy slope. Not common.
Fl. under cultivation at October – November 2012. Flowers odorless, sepals and petals white, lip light purple-violet, with unclear fuzzy white spots. Column white.
Coordinates (geographic position):20° 26′ 7″ N, 105° 17′ 19″ E ±1000 mRecord creation: 2020-11-10, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01074618 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01074618