Northern Vietnam, Ha Giang Prov., Quan Ba Distr., Thai An Municipality, in the vicinity of Lo Thang village, around point 22ø59'50''N, 105ø05'46''E. Primary coniferous forest with Tsuga chinensis on remnant highly eroded limestone ridge at elev. about 1600 m a.s.l. Treelet 6-8 m hg. Occasional co-dominant of second forest stratum.
Record creation: 2026-09-28, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360579 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360579