Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Mon village, around point 20°25’29”N 105°19’36”E. Primary broadleaved forest on steep rocky slopes of remnant mountain composed with solid crystalline highly eroded limestone at elevation about 500-700 m a.s.l. Terrestrial herb in shady place. Not rare.
CPC1566b/sp.9 (cult.N 11614) 25 March 2011.
Coll.: L.Averyanov, L.Osinovetz, T.Maisak.
Fl. under cultivation at November 2013. Perianth dark dirty violet to almost black, stigma white with violet markings, filaments white, anthers and pollen rich yellowish. Photos by P.Efimov.
Record creation: 2026-10-20, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360772 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360772