The subgenus ''Epidendrum'' subg. ''Epidendrum'' was published as "''Euepidendrum''" in 1841 with the diagnosis "Caulis foliosus. Pedunculus brevis esquamatus. Labellum adnatum." This reed-stemmed genus includes
sympodial
Sympodial growth is a bifurcating branching pattern where one branch develops more strongly than the other, resulting in the stronger branches forming the primary shoot and the weaker branches appearing laterally. A sympodium, also referred to a ...
''Epidendrum'' plants with stems covered with imbricating sheaths which show no tendency to swell into
pseudobulb
The pseudobulb is a storage organ found in many epiphytic and terrestrial sympodial orchids. It is derived from a thickening of the part of a stem between leaf nodes and may be composed of just one internode or several, termed heteroblastic a ...
s, and with terminal
inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed ...
s 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''
References
{{Taxonbar, from=Q5382822
Orchid subgenera