Epidendrum microphyllum is a species of tropical orchid in the genus 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...

 with non-resupinate

Resupination

Resupination generally means being upside-down, supine, facing upward. The word is derived from the Latin. In a biological context, the concept is commonly expressed with the adjectives "resupinate" or "non-resupinate."-Examples in green plants:...

 flowers.

Description

E. microphyllum grows epiphytically

Epiphyte

An epiphyte is a plant that grows upon another plant non-parasitically or sometimes upon some other object , derives its moisture and nutrients from the air and rain and sometimes from debris accumulating around it, and is found in the temperate zone and in the...

 at low altitudes in the tropical rain forests of northern Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, 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...

 (including a site in Napo

Napo Province

Napo is a province in Ecuador. Its capital is Tena. The province contains the Napo River. The province is low developed without much industrial presence. The thick rainforest is home to many natives that remain isolated by preference, descendents of those who fled the Spanish invasion in the Andes,...

 at 180 m), French Guiana

French Guiana

French Guiana is an overseas region of France, consisting of a single overseas department located on the northern Atlantic coast of South America. It has borders with two nations, Brazil to the east and south, and Suriname to the west...

, Guyana

Guyana

Guyana , officially the Co-operative Republic of Guyana, previously the colony of British Guiana, is a sovereign state on the northern coast of South America that is culturally part of the Anglophone Caribbean. Guyana was a former colony of the Dutch and of the British...

, 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....

, Suriname

Suriname

Suriname , officially the Republic of Suriname , is a country in northern South America. It borders French Guiana to the east, Guyana to the west, Brazil to the south, and on the north by the Atlantic Ocean. Suriname was a former colony of the British and of the Dutch, and was previously known as...

, 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...

. The small sympodial plant bears rather widely separated (3–5 cm) short, erect stems covered with imbricating sheathes, most of which bear the thick, narrow, alternate leaves. The small (1 cm across) woolly green flowers (sometimes with purple pigment as well) are born on a woolly, apical raceme. The dorsal sepal bends backward, nearly parallel to the ovary, unlike the spreading lateral sepals. The petals are linear to narrowly elliptic, and bend backward to a lesser degree than the dorsal sepal. The lateral margins of the pointed 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:...

 partially encircle the apex of the column.

Systematics

In 1861, Reichenbach classified this orchid as the only species in the section Sarcophylla Rchb.f. of subgenus Euepidendrum Lindl. of the genus Epidendrum. According to the Vienna code, the proper names for these subdivisions of the genus Epidendrum are E. sect. Sarcophylla

Epidendrum sect. Sarcophylla

The section Epidendrum sect. Sarcophylla Rchb.f. is a subsection of subgenus E. subg. Epidendrum of the genus Epidendrum of the Orchidaceae. In 1861, Reichenbach recognized one species in this section:...

 and 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...

.