Prosthechea cochleata (Cockleshell Orchid)

also known as: Clamshell Orchid, Cockleshell Orchid, Octopus Orchid, Black Orchid, Aulizeum cochleatum, Encyclia cochleata, Encyclia lancifolia, Epidendrum cochleatum, Epidendrum cochleatum var. costaricense, Epidendrum cochleatum var. grandiflorum, Epidendrum cochleatum var. pallidum, Epidendrum lancifolium, Hormidium cochleatum, Phaedrosanthus cochleatus, Anacheilium cochleata