Quang Nam Prov., Dai Loc Distr., Dai Hong municipality, environs of Dai Hong town around point 15°49'44"N 107°57'19"E. Rich secondary closed broadleaved evergreen forest along rocky river valley composed with eroded sandstone at elev. 80-150 m a.s.l. Terrestrial herb in shady places. Inflorescences and flowers dark violet. Not common. CPC 3467 20 May 2011. Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.
Coordinates (geographic position):15° 49′ 44″ N, 107° 57′ 19″ E ±1000 mRecord creation: 2019-02-22, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01049938 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01049938