Epidendrum maderoi Schltr. 1920 GROUP Megagastrium SUBGROUP Megagastrium

LCDP Photo by © A. Cisneros, M. F. Valencia E. & E. Domínguez / Photo by M. F. Valencia E. and The AMO Herbario Website

TYPE Drawing

TYPE Drawing by © Schlechter

Drawing

Original Drawing by © Padre Pedro Ortiz Conserved at the Herbario de la Universidad Javeriana, Bogota Colombia

Common Name Madero's Epidendrum [Colombian Orchid Collector early 1900's]

Flower Size 1.2" [3 cm]

Found in Antioquia, Cundinamarca and Santander departments of Colombia at elevations of 1800 to 2700 meters as a small to medium sized, cool to cold growing branched epiphyte with elongate, subflexuous, cane-like, terete, arching at the base to be erect stems base covered with tubular, non-foliar, scarious sheaths carrying 7 to 11, evenly distributed throughout the stem, sub-coriaceous, spreading to erect-patent, lanceolate, acuminate, margin entire leaves provided with tubular, pale green sheaths that blooms in the fall, winter and spring on a terminal, arising through a tubular apically conduplicate, acte, margin irregularily denticulate spathe, peduncle .8 to 2" [20 to 50 mm] long, totally covered by the spathe rachis .48" [12 mm long], terete, thin, pale green, erect, 3.2 to 4" [8 to 10 cm] long, umbelliform, simultaneously 3 to 6 flowered inflorescence , much shorter than the ovary, triangular, acute, embracing floral bracts and carrying non-resupinate, fleshy flwoers with the sepals and petals ochre yellow, the lip cream colored including the calli, with the margin ochre yellow and a weak fragrance.

"Epidendrum maderoi belongs to the GROUP Megagastrium SUBGROUP Megagastrium which is recognized by the erect, sympodial, scandent habit, several narrow leaves, a narrow, tubular, acute, spathaceous bract, several non-resupinate flowers on a short raceme, and an entire, bicallose lip. The species is recognized by the lanceolate, acuminate leaves, the erect inflorescence of 3 to 6 yellow flowers with the lip cream colored, sepals .6 to .69" [15.0 to 17.5 mm] long, narrowly elliptic with the margin revolute, petals oblanceolate, and the lip narrowly cordiform with the margin slightly erose. Epidendrum urraoënse Hágsater is vegetatively very similar, but has 3 to 4 pink flowers, the lip and column white, sepals .68 to .72" [17 to 18 mm] long, elliptic-obovate, petals ligulate-oblanceolate, and the lip cordiform-obpandurate. Epidendrum inornatum Schltr. has leaves 2.4 to 4.2" x .12 to .2" [6.0 to 10.5 x 0.3 to 0.5 cm], linear-oblong, up to 12 green flowers, sepals .2 to .24" [5 to 6 mm] long, and the lip .14 x .1" [3.5 x 2.5 mm]. *NOTE: In the illustration published under Nr. 188, in Mansfeld (1929), the margin of the lip is clearly undulate, but none of the images nor specimens seen show that, though the lip margin is somewhat erose." Hagsater etal 2020

Synonyms

ReferencesW3 Tropicos, Kew Monocot list , IPNI ; *Repertorium Specierum Novarum Regni Vegetabilis 7: 138 Schlechter 1920; Repert. Spec. Nov. Regni Veg. Beih. 7: 248 Schlechter 1920; Repertorium Specierum Novarum Regni Vegetabilis Figuren Atlas 57: 188 Schlechter 1929 drawing fide; Icones Orchidacearum 3 Plate 394 Hagsater 1999 see recognition section; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017 drawing fide; Icones Orchidacearum 17(2) Plate 1779 Hagsater & Jimenez 2020 TYPE LCDP/Photo fide;

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