FLORA OF VIETNAM Orchidaceae Gastrodia tonkinensis Aver. et Averyanova, sp.nov. (type)
N.Vietnam, Ha Tinh Prov., Huong Son Distr., Son Hong Municipality, around point 18°34′06′'N, 105°11′40′'E. Heavily logged primary broad-leaved evergreen dry forest on steep mt slopes and along ridge composed with shale at elev. about 350-400 m a.s.l.
Small ground achlorophyllous light yellowish-brown saprophyte. Flower buds light yellow-brownish with brown stripes. Very rare.