Epidendrum frutex is a high-altitude species of reed-stemmed Epidendrum

Epidendrum

Epidendrum , abbreviated Epi in horticultural trade, is a large neotropical genus of the orchid family. With more than 1,100 species, some authors describe it as a mega-genus. The genus name refers to its epiphytic growth habit...

orchid native to Colombia

Colombia

Colombia, officially the Republic of Colombia , is a unitary constitutional republic comprising thirty-two departments. The country is located in northwestern South America, bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the...

, Ecuador

Ecuador

Ecuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...

, Peru

Peru

Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

, and Venezuela

Venezuela

Venezuela , officially called the Bolivarian Republic of Venezuela , is a tropical country on the northern coast of South America. It borders Colombia to the west, Guyana to the east, and Brazil to the south...

.

Description

E. frutex Rchb.f. (1855) is closely related to E. frigidum

Epidendrum frigidum

Epidendrum frigidum is a reed-stemmed Epidendrum orchid from the high-altitude tropics in Bolivia, Colombia, Ecuador, Peru, and Venezuela.-Description:...

 Lind.

Jean Jules Linden

Jean Jules Linden , was a Belgian botanist and explorer, horticulturist and businessman, specialising in orchids, on which subject he wrote a number of books....

 (1855), growing terrestrially in "open sphagnum uplands". The tall sympodial

Sympodial

Sympodial means "with conjoined feet", and in biology is often used to refer to the outward morphology or mode of growth of organisms.-In botany:...

 plants grow from 3/4 to 5 m tall. As is typical of the subgenus E. subg. Epidendrum

Epidendrum subg. Epidendrum

The subgenus Epidendrum subg. Epidendrum was published as "Euepidendrum" in 1841 with the diagnosis "Caulis foliosus. Pedunculus brevis esquamatus...

, the stems are covered from the base with distichous, tubular, leaf-bearing sheaths. The narrow leathery leaves of E. frutex can grow more than 2 dm long. The terminal inflorescence is a distichous (not secund) compound panicle

Panicle

A panicle is a compound raceme, a loose, much-branched indeterminate inflorescence with pedicellate flowers attached along the secondary branches; in other words, a branched cluster of flowers in which the branches are racemes....

 bearing numerous small, fleshy yellow to green to brown flowers. The triangular sepals are no longer than 6 mm. The linear petals are slightly shorter than the sepals. The 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:...

 is adnate

Adnation

Adnation in plants is the "union of unlike parts; organically united or fused with another dissimilar part, e.g. an ovary to a calyx tube, or stamens to petals". This is in contrast to connation, the fusion of similar organs....

 to the column

Column (botany)

The column, or technically the gynostemium, is a reproductive structure that can be found in several plant families: Aristolochiaceae, Orchidaceae, and Stylidiaceae....

to its apex, heart-shaped where it diverges from the column, broader than it is long, and not divided into lobes. A linear keel runs down the center of the lip.

This large Epidendrum is notable for producing seed capsules that are more than ten times the size of the flowers.