Epidendrum arachnoglossum Rchb.f. ex André 1882 GROUP Secundum SUBGROUP Elongatum

Column and lip detail In situ Bogota Colombia 8/2020 Photos by © Jay Pfahl

Common Name The Spider-Like Lip Epidendrum

Flower Size 1" [2.5 cm]

Found in Colombia and Ecuador? [see note below] in montane forests and along roadsides at elevations around 1800 to 3000 meters as a medium to giant sized, cool to cold growing terrestrial or epiphyte with erect, simple, terete, straight, green in youth becoming purple tinged with age, cane-like stems carrying 18 to 24, distichous, all along the stem, alternate, articulate, coriaceous, dark green occasionally purple tinged, unequal in size, narrowly elliptic-lanceolate, to lanceolate-oblong, subobtuse leaves that blooms in the spring on a terminal, peduncle elongate, terete, enveloped by 3 to 4, tubular, acute, not imbricate bracts, 7.2 to 10" [18 to 25 cm] long, 8 to 24" [20 to 60 cm] long, pluri-racemose, in an apical corymb, successively, densely many flowered inflorescence with much shorter than the ovary, linear-triangular, acuminate floral bracts and carrying non-resupinate flowers.

CAUTION Hagsater states that this orchid only occurs around the Bogota area of Colombia and does not come from Ecuador.

" Epidendrum arachnoglossum Rchb.f., a common species around Bogotá, has violet-crimson flowers, a many-lobed white and orange-yellow callus, and the deeply fringed lip forms a nearly entire, orbicular lamina, the base cordate." Plate 1486 Hagsater etal 2013

Synonyms

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Repert. Spec. Nov. Regni Veg. Beih. 7: 244 Schlechter 1920; Atlas des Orchidees Cultivees Constantin 1920 as E arachnoglossum var candidum drawing fide to the first photo; Encyclopedia of Cultivated Orchids Hawkes 1965; Encyclopedia of Cultivated Orchids Hawkes 1965 as E arachnoglossum fma candidum; Native Ecuadorian Orchids Vol 2 Dodson 2001 photo fide to the first photo; Icones Orchidacearum 8 Plate 803 Hagsater and Sanchez 2006 see recognition section; Icones Orchidacearum 14 Plate 1410 Hagsater & Santiago 2013 See recognition section; Icones Orchidacearum 14 Plate 1486 Hagsater & Santiago 2013 See recognition section; Orchids of the Department of Valle De Cauca Colombia Vol 2 Kolanowska, Hagsater etal. 2014 drawing fide to the first photo; AOS Bulletin Vol 85 #10 2016 photo fide to the second photo; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017 photo fide to the first photo;

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