Epidendrum coroicoense Schltr. 1929 GROUP Secundum SUBGROUP Elongatum photo by © Erica Moron de Abad/Drawing by © Jimenez and The AMO Herbaria Website

SunCool" Winter Spring Summer Fall

Common Name The Coroico Epidendrum [a town in the Yungas of Bolivia]

Flower Size .8" [2 cm]

Found in southern Peru and western Bolivia on the Amazon slopes of the Cordillera Oriental at elevations of 1100 to 1600 meters as a large sized, cool growing epiphyte with simple, thin, terete, cane-like, straight stems carrying 5 to 10, alternate, all along the stem, sub-erect, coriaceous, smooth, oblong-elliptic, slightly bilobed apically ,marginally entire, leaves that blooms at any time of the year in greenhouse conditions on a terminal, without a spathe, racemose, arching-nutant, producing new racemse in time from the apical nodes of the elongate, 13 to 13.8" [32.5 to 34.5 cm] long, terete, thin, straight, nearly totally enveloped by 7 to 9 acute, tubular sheaths, rachis 2.4 to 2.8" [65 to 7 cm] long, teretee, thin successively 4 to 5, 20 to 30 flowered inflorescence with much shorter than the ovary, triangular-lanceolate, acuminate, gradually shorter towards the apex bracts and carrying non-resupinate, laquer red flowers with a dark yellow callus.

"Similar red-flowered species to Epidendrum aromoense are: Epidendrum tulcanense Hágsater & Dodson has also red flowers but it is distinguished by the large white massive callus, formed by nine unequal tubercles: four basal ones and the main structure formed by five sub-equal tubercles. Epidendrum laurelense Hágsater & Dodson, that differ from E. aromoense by the carmine-red flowers on a much more open raceme, with a massive white callus formed by a semicircular sulcate, marginally plurilobulate fleshy plate, found between Tulcán and Maldonado, on the border between Ecuador and Colombia, on roadsides and rocks in wet forest between at around 2000 to 2500 m above sea level. Epidendrum coroicoënse Schltr. is another species similar to E. aromoense by the lacquer-red flowers; however, the former species is known from southern Peru and western Bolivia, along the upper Amazon slope of the Cordillera Oriental of the Andes, and differ from E. aromoense by the narrow leaves about 6–7 times longer than wide, the petals wider than the sepals, elliptic-sub-orbicular, the lip bearing lateral lobes overlapping with the mid-lobe when spread; and callus 5-tuberculate with two basal and three apical tubercles, and without keels. Epidendrum portokalium Hágsater & Dodson is another species with red flowers that resembles E. aromoense, but it is found on the Amazon slopes of the Andes in central Ecuador, and differs from E. aromoense by the callus unequally 7-tuberculed (with four basal tubercles and three apical ones" Epidendrum aromoense (Orchidaceae, Laeliinae), a New Species from the Coastal Dry Forests in Western Ecuador (PDF Download Available). Available from: https://www.researchgate.net/publication/273338889_Epidendrum_aromoense_Orchidaceae_Laeliinae_a_New_Species_from_the_Coastal_Dry_Forests_in_Western_Ecuador [accessed Nov 01 2017].

Synonyms

References W3 Tropicos, Kew Monocot list , *Icones Orchidacearum 15[1] Plate 1516 Hagsater 2015 photo/drawing fide

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