Bac Kan Province, Ba Be District, central part of Ba Be National Park. Dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone along Ba Be River at elevation about 250 m a.s.l. Terrestrial herb to 2 m tall in open place in humid valley between limestone hills. Flowers yellow. Common.
17 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1678.
Record creation: 2022-12-15, Аверьянов Леонид ВладимировичCitation: Specimen LE 01123667 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01123667