Epidendrum calothyrsus Schltr. GROUP Sodiroi

Photo by The Sociedad Colombiana de Orquideologia Flickr Website

TYPE Drawing

TYPE Drawing by Schlechter

E. cf caloththysus

Photo by Rodrigo Escobar, Grown by Edwin Granada


Common Name The Well Flowering Epidendrum

Flower Size 1" [2.5 cm]

Found in premontane and montane forests at elevations of 1580 to 2160 meters as a large to giant sized, cool to cold growing terrestrial with erect, terete, slightly compressed, middle with close fitting scarious sheaths and apically leafy stems carrying 30 to 40, coriaceous, distichous, articulate to the sheaths, prominently veined, oblong-elliptic, acute leaves that blooms in the spring and again in the fall on an apical, erect to slightly recurved, paniculate, each branch 3.6 to 8" [9 to 20 cm] long, peduncle to 22" [55 cm] long, with up to 9, triangular, lanceolate, long acuminate, partly imbricating bracts, 16 to 28" [40 to 70 cm] long, densely many flowered inflorescence carrying sweetly scented flowers.

"Epidendrum calothyrsus Schltr. is part of GROUP Sodiroi characterized by the sympodial, caespitose, cane like stems, paniculate inflorescence, leaves with prominently marked veins, flowers with an entire lip and the margin erose to fimbriate and has filiform petals. The species has muricate ovaries, very large bracts at the base of the inflorescence and the lip is deeply erose." Adapted from Plate 161 Hagsater etal 1993


References W3 Tropicos, Kew Monocot list , IPNI ; *Repert. Spec. Nov. Regni Veg. Beih. 7: 126 Schlechter 1920; Repert. Spec. Nov. Regni Veg. Beih. 7: 245 Schlechter 1920; Repert. Spec. Nov. Regni Veg. Beih. Figuren -Atlas 57: 170 Schlechter 1929 drawing fide; Icones Orchidacearum 2 Plate 161 Hagsater & Dodson 1993 see recognition section; Native Colombian Orchids Vol 5 COS 1994 #913 as E sp = E calothyrsus photo ok; Native Colombian Orchids Vol 6 COS 1998 errata; Orchids of the Department of Valle De Cauca Colombia Vol 2 Kolanowska, Hagsater etal. 2014 photo fide; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017 as E aff calothyrsus photo not; Icones Orchidacearum 18(1) plate 1834 Hagsater, Santiago 2020 see recognition section; Orquideas de Farallones de Cali Galindo-Tarazona, Haelterman, Zuluaga Trochez and Sebastian Moreno 2020 photo fide