FLORA OF VIETNAM
Magnoliaceae
Michelia fulva Hung T. Chang & B.L. Chen var. calcicola (Y.W. Law & Y.F. Wu) Sima & Hong Yu

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ04.2ʺN 104°51ʹ09.7ʺE, steep rocky slopes near mountain top composed with eroded stratified highly eroded limestone at elevation 1200-1450 m a.s.l. Primary evergreen broad-leaved very humid forest. Tree 8-10 m tall on rocky mountain top. Common. 24 April 2018, L. Averyanov, Nguyen Sinh Khang, Nguyen Tien Hiep, Nguyen Quang Hieu, Chuong Quang Ngan, T. Maisak, VR 833 (HN, LE01061437, LE01067217).