FLORA OF VIETNAM
Orchidaceae
Bulbophyllum longibrachiatum Z.H. Tsi

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ00.4ʺN 104°52ʹ02.2ʺE, steep rocky slopes of river valley composed with eroded limestone at elevation 1000–1060 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Creeping epiphyte on mossy tree. Flowers yellow, tepals with purple-brown streaks. Occasional. 19 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Quang Ngan, VR 1026 (HN, LE01050497).