FLORA OF VIETNAM Orchidaceae Dendrobium uniflorum Griff.
Quang Nam Prov., Dai Loc Distr., Dai Hong municipality, environs of Dai Hong town around point 15°49′44”N 107°57′19”E.
Remnants of primary and secondary dry broadleaved evergreen forest on rocky sandy uplifted plateau composed with eroded sandstone at elev. about 550 m a.s.l.