Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Mon village, around point 20°24’52”N 105°19’41”E. Secondary evergreen dry broad-leaved forest on steep rocky slopes of remnant mountain composed with highly eroded marble-like solid crystalline limestone at elevation about 300 m a.s.l. Terrestrial ephemeroid herb on rocky shady slope. Spathe light greenish, male flowers dull yellowish, female flowers green. Locally common.
Record creation: 2026-10-19, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360658 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360658