N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Co Lung Municipality, Eo Dieu village, around point 20º26'06''N, 105º13'51''E. Primary evergreen seasonal broad-leaved closed submontane forest on top of rocky ridge composed with crystalline marble-like highly eroded limestone at elev. 900-1000 m. Terrestrial and lithophytic herb. Leaves dark green with 3 white longitudinal stripes. Occasional.
Record creation: 2020-07-30, Аверьянов Леонид ВладимировичCitation: Specimen LE 01087281 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01087281