Epidendrum humeadorense Hágsater & Dodson 1999 GROUP Macrostachyum

Photo by © Angie Hemker

TYPE Drawing

TYPE drawing by Jimenez and The AMO Herbaria Website

Part Shade Cold Spring MID Spring

Common Name The Humeadora Epidendrum [refers to a waterfall in the type area]

Flower Size 1.2" [3 cm]

Found in northernmost Ecuador on the western slope of the Andes in montane cloud forests at elevations around 2300 meters as a giant sized, cold growing terrestrial with erect, branching with age, cane-like, terete stems carrying numerous, all along the stem, branches mostly 5 to 6, unequal in size, narrowly elliptic-lanceolate, acute, margin finely erose-denticulate leaves that blooms in the spring on a terminal, erect, racemose, without a spathe, on a mature stem, occuring only once, erect, flexuous, 3.2 to 5.2" [8 to 13 cm] long, simultaneosuly 5 to 7 flowered inflorescence with shorter to equal to the length of the ovary, progressively shorter above, cucullate, ovate, margin undulate, finely erose floral bracts and carrying non resupinate, yellowish green flowers.

"Epidendrum humeadorense is part of GROUP Macrostachyum characterized by the erect, branching, cane-like stems giving rise to an erect to arching, many flowered inflorescence without a spathe the very fleshy lip that is folded and embracing the column and a pubescent to papillose nectary in front of the stigmatic cavity The species is closely related to E. chondrochilum, but is recognized by its 5 to 7, simultaneous, yellow-green flowers, floral scent of jasmin-geraniol, the segments wide with a low rounded apical keel in front, sepals twice as wide as the petals, the lip triangular. Epidendrum palaciosii Hágsater & Dodson has flowers about one-third the size, the sepals muricate outside, not keeled Epidendrum dermatanthum Kraenzl. has petals nearly as wide as the sepals. Epidendrum coordinatum Rchb. f. has carinate, acute sepals, but the apex of the column has dolabriform wings. E. chondrochilumhas filiform petals and a cordate lip. Epidendrum oxycalyx Hágsater & Dodson has acuminate sepals and petals, and a cordiform-triangular lip." Hagsater etal 1999


References W3 Tropicos, Kew Monocot list , IPNI ; * Icones Orchidacearum 3 335 Hagsater & Dodson 1999 drawing fide; Native Ecuadorian Orchids Vol 2 Dodson 2001 photo fide; Icones Orchidacearum 14 Plate 1477 Hagsater & Sanchez 2013 see recognition section; Orchids of the Department of Valle De Cauca Colombia Vol 2 Kolanowska, Hagsater etal. 2014 drawing/photo fide; AOS Bulletin Vol 85 #10 2016 photo fide; Icones Orchidacearum 15 [1] Plate 1507 Hagsater & Sanchez 2015 see recognition section; Icones Orchidacearum 15 [1] Plate 1554 Hagsater & Sanchez 2015 see recognition section; Icones Orchidacearum 15 [2] Plate 1577 Hagsater & Sanchez 2016 see recognition section; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017 Photo fide; AOS Bulletin Vol 85 #10 2016 photo not = E bangii;