FLORA OF VIETNAM Orchidaceae Dendrobium thyrsiflorum Rchb.f. ?
Vietnam, Thua Thien – Hue Prov., A Luoi Distr., Hong Van Municipality, Ta Lo village, around point 16°21′52′'N, 107°09′36′'E at elevation about 1000-1100 m a.s.l.
Secondary wet closed broad-leaved forest on very steep mountain slopes composed with shale.
Lithophyte on shady mossy boulders along shady rocky stream canyon. Not common.