The subgenus Epidendrum subg. Epidendrum was published as "Euepidendrum" in 1841 with the diagnosis "Caulis foliosus. Pedunculus brevis esquamatus. Labellum adnatum."Lindley "Notes upon the genus EPIDENDRUM" in W. J. Hooker, Ed. Journal of Botany III p. 81. London, 1841 This reed-stemmed genus includes sympodial Epidendrum plants with stems covered with imbricating sheaths which show no tendency to swell into pseudobulbs, and with terminal inflorescences which lack any sheath or spathe at the base.
Reichenbach recognized four sections in this subgenus:H. G. Reichenbach, "Orchides" C. Müller, Ed. Walpers. Annales Botanices Systematicae Tomus VI p. 397. Berlin. 1861 E. Equitantia E. Sarcophylla E. Teretifolia E. Planifolia
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