FLORA OF VIETNAM Poaceae (Bambusoideae) Neomicrocalamus prainii (Gamble) Keng f.*
Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566°N 105.02142°E. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Woody grass with pendulous stems to 10 m long on very steep rocky slopes and cliffs. Locally very common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1580 (HN, LE01067076, LE01070197).