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. Tree 20-25 m hg. Associate of first forest stratum. Stomata banks whitish. Occasional.
Record creation: 2026-03-07, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203882 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203882