Zygosepalum labiosum (Rich.) C.Schweinf. [ Zygopetalum rostratum Hook.]
no HD illustration available (m1)
Zygosepalum labiosum (Rich.) C.Schweinf. [ Epidendrum labiosum Rich.] [Orchidaceae]
W. Curtis, Bot. Mag., vol. 55 [ser. 2, vol. 2]: t. 2819 (1828) [W.J. Hooker]