Houlletia wallisii Linden & Rchb.f. [ Houlletia chrysantha Linden & André]
no HD illustration available (m1)
Houlletia wallisii Linden & Rchb.f. [Orchidaceae]
Ill. Hort., vol. 18 : t. 71 (1871) [P. Stroobant]