Vietnam, Thua Thien – Hue Prov., Nam Dong Distr., Huong Son Municipality, around point 16°10'22''N, 107°36'24''E. Fractionally logged primary closed broad-leaved evergreen lowland forest along La Ma River on very steep hill slopes composed with clayey shale and sandstone at elevation about 300 m a.s.l. Terrestrial and lithophytic herb or undershrub up to 2 m tall on rocky shady stream slope. Flowers white. Very common.
Record creation: 2026-10-19, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360721 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360721