Son La province, Quynh Nhai district, Muong Giang commune, Remnant primary evergreen broad-leaved forest on limestone mountains, at base and slopes of mountain, around point 21.63414° N 103.55421° E, at elevation of 1145 m a.s.l. Lithophytic herb about 30-40 cm tall, rhizome creeping on vertical cliffs, leave petiole triangular to tetra-angular, flower white, locally common. March 2019, Nguyen Sinh Khang et al., NSK 1175
Coordinates (geographic position):21° 38′ 2.9″ N, 103° 33′ 15.16″ E ±1000 mRecord creation: 2019-12-31, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01058690 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01058690