Epidendrum trachysepalum Hágsater 1992 GROUP Diothonea SUBGROUP Diothonea Drawing by Hagsater and The AMO Herbaria Website

Collection sheet Specimen by Hagsater and The Field Museum Website

Common Name The Rough-Surfaced Sepal Epidendrum

Flower Size 3/4" [2 cm]

Found in Ecuador and Peru in wet montane forests and very cool wet cloud forests at elevations of 1700 to 3200 meters as a small sized, cool to cold growing epiphyte with slender, cane-like, sparsely branched, new stems arise from the subapical nodes of the previous stem, enveloped by persistent, close, tubular leaf sheaths which are leaf-bearing towards the apex, and carrying 4 to 6, aggregate towards the apex of the stem, distichous, articulate, sub-coriaceous, unequal in size, linear-lanceolate, subobtuse, attenuate to the conduplicate, articulated base, minutely apiculate, margin entire leaves that blooms in the summer and fall on a terminal, arching, racemose, occuring only once, peduncle short to .24" [6 mm] long, 1 to 1.2" [2.5 to 3 cm] long, overall, somewhat densely, simultaneously 9 to 11 flowered inflorescence with small, half as long as the ovary, triangular, acuminate floral bracts and carrying resupinate, pale pink to reddish colored flowers without fragrance data.

Synonyms Diothonea exasperata C. Schweinf. 1951;

References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Peru Vol 2 Schweinfurth 1959 as Diothonea exasperata drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965 as Diothonea exasperata drawing; *Orquídea (Méx.) 12(2): 296. Hagsater 1992; Icones Orchidacearum Peruviarum Plate 657 Bennett & Christenson 2001 drawing not = E trachydipterum; Machu Picchu Orchids Christenson 2003; Icones Orchidacearum 7 Plate 732 Hagsater & Sanchez 2004 see recognition section; Orquideologia 24: 3 Ortiz & Hagsater 2005; Icones Orchidacearum 13 Plate 1394 Hagsater & Salazar 2010 see recognition section; Icones Orchidacearum 13 Plate 1395 Hasater & Salazar 2010 drawing fide; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017;