Cao Bang Province, Quang Vinh Municipality, about 21 km N of Cao Bang town; 22°51′N 106°14′E, 785 m a.s.l., growing in evergreen primary very steep forest in limestone rubble adjacent to grazed agricultural land, rare. 29/11/2018, Bleddyn Wynn-Jones, BWJ 16144 (photo – LE01073326).
Record creation: 2020-06-05, Аверьянов Леонид ВладимировичCitation: Specimen LE 01073326 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01073326