Epidendrum excisum is a species of orchid

Orchidaceae

The Orchidaceae, commonly referred to as the orchid family, is a morphologically diverse and widespread family of monocots in the order Asparagales. Along with the Asteraceae, it is one of the two largest families of flowering plants, with between 21,950 and 26,049 currently accepted species,...

 known to grow both epiphytically and terrestrially on steep rocky banks in mountainous regions of Columbia, Ecuador, Peru, and Venezuela. It has been reported at altitudes from 2.4 km to 2.8 km.

Description

The flattened stems grow to 0.9 m tall and are covered by the basal sheathes of the broad, oblong, leathery leaves. The long base of the paniculate inflorescence erupts from two short, broad spathes at the apex of the stem. The yellow flowers have filiform to linear petals, and obovate sepals, the lateral sepals being scoop-shaped. The lateral lobes of the trilobate lip

Labellum

Labellum is the Latin diminutive of labium, meaning lip. These are anatomical terms used descriptively in biology, for example in Entomology and botany.-Botany:...

have a crenulate to erose margin, and give the lip (where it diverges from the column) a heart-shape. The central lobe is divided into three short rounded lobes at its end: the central one narrow and bent downward, the lateral ones slightly longer, pointing outward and bent upward.

Synonymy

E. excisum var. grandiflorum was recognized in Reichenbach, 1861, with generally larger flowers, and occasionally, with "great horizontal cucullate spathes." According to Kew, this variety is a synonym for the species.

External links

A photograph may be found at http://www.orchidspecies.com/epiexcisum.htm