The subgenus ''Pleuranthium'' of the genus ''

Epidendrum ''Epidendrum'' , abbreviated Epi in the horticultural trade, is a large neotropical genus of the orchid family. With more than 1,500 species, some authors describe it as a mega-genus. The genus name (from Greek ''επί, epi'' and ''δένδρο ...

'' of the

Orchidaceae Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Along with the Asteraceae, they are one of the two largest families of flowering ...

is distinguished from the other subgenera by having lateral inflorescences on the reed-like stems of the

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 ...

plant. With the exception of subgenus ''Psilanthemum'' Klotzsch, all of the remaining subgenera produce terminal inflorescences. H. G. Reichenbach recognized four species in this subgenus. Kew has concluded that one of these, ''E. pileatum'', is a synonym for '' E. dendrobii'' (page numbers refer to H. G. Reichenbach 1861): *'' E. aggregatum''

Lindl. John Lindley FRS (5 February 1799 – 1 November 1865) was an English botanist, gardener and orchidologist. Early years Born in Catton, near Norwich, England, John Lindley was one of four children of George and Mary Lindley. George Lindley ...

1841 (p. 415) *'' E. cauliflorum''

1838 (p. 415) *'' E. dendrobii''

Rchb.f. Heinrich Gustav Reichenbach (Dresden, 3 January 1823 – Hamburg, 6 May 1889) was a botanist and the foremost German orchidologist of the 19th century. His father Heinrich Gottlieb Ludwig Reichenbach (author of ''Icones Florae Germanicae et Helve ...

1850 (pp. 414, 415)

References

{{Taxonbar, from=Q5382824 Orchid subgenera