Epidendrum tropinectarium Hágsater & E.Santiago 2004 GROUP Diothonea SUBGROUP Diothonea

TYPE Drawing by © Lopez and The AMO Herbaria Website


Common Name The Keeled Nectary Epidendrum [refers to the peculiar keels within the nectary]

Flower Size .8" [2 cm]

Found in Colombia on the western slope of the Cordillera central at elevations around 2200 meters as a medium sized, cold growing epiphyte with branching, successively arising newly from the upper internodes of the previous stems, cane-like, terete, thin stem carrying 3 to 5, all along the upper half of the stem, sub-coriaceous, alternate, unequal, the lower ones smaller, linear-lanceolate, minutely apiculate, unequally bilobed, margin entire leaves that blooms in the mid fall on terminal, racemose, somewhat arching, occuring only once, peduncle very short, terete, thin, bractless, 1.6 to 2" [4 to 5 cm] long, rachis laxly, successively 1 to 2, few flowered inflorscence with shorter than the ovary, narrowly triangular, acute, clasping floral bracts and carrying clear pink flowers with a clear greenish white column and without fragrance data.

"Epidendrum tropinectarium belongs to the GROUP Diothonea SUBGROUP Diothonea which is characterized by the branching plants, linear-lanceolate to oblong, bilobed leaves, racemose, arching-nutant inflorescence, membranaceous, rarely fleshy flowers, the entire to 3-lobed, ecallose lip with the margin erose with or without 1 to 10 thin, smooth to erose keels, the column completely to obliquely united to the lip, the anther reniform. The new species is recognized by the thin stems, linear-lanceolate leaves .72 to 3.12" [1.8 to 7.7 cm] long, successive f1owers, linear, l-veined (branched and thus appear 2-veined, .04" [1 mm] wide petals and the 3-lobed lip, with a widely rectangular midlobe and two acute keels at the base which are prolonged inwards and adnate to each other nearly to the base of the nectary. Epidendrum trachysepalum from Peru, has leaves up to 3.4" [8.5 cm] long, dorsally exasperate sepals, linear to linear-lanceolate, 3-veined petals .088" [2.2. mm] wide, and the pandurate-subquadrate lip with 3 separate keels. Epidendrum dosdonii Hágsater & E. Santiago has 2.2 to 4.64" [5.5 to 11.6 cm] long leaves, narrowly ovate, 3-veined petals 2 mm wide and a 3-lobed lip with 5 keels. Epidendrum dolichorhachis Hágsater & Dodson has narrowly lanceolate leaves 1.04" to 4.56" [2.6 to 11.4 cm] long, oblong, 3-veined petals .92 to 1.04" [2.3 to 2.6 mm] wlde and 5 erose-serrulate keels on the 3-lobed lip." Hagsater etal 2004


References W3 Tropicos, Kew Monocot list , IPNI ; * Icones Orchidacearum 7 Plate 797 Hagsater & Santiago 2004 drawing fide; Orquideologia Vol 24 #1 2005; Orchids of the Department of Valle De Cauca Colombia Vol 2 Kolanowska, Hagsater etal. 2014 drawing fide; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017 drawing fide; Icones Orchidacearum 16[1] Plate 1636 Hagsater 2018 see recognition section; Icones Orchidacearum 16[1] Plate 1651 Hagsater 2018 see recognition section; Icones Orchidacearum 17(2) Plate 1759 Hagsater & Jimenez 2020 see recognition section;