Epidendrum rigidiflorum Schltr. 1923

GROUP Macrostachyum SUBGROUP Stenophyton TYPE Drawing by M Lopez R and The AMO Herbaria Website

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

Common Name The Rigid Flower Epidendrum

Flower Size .8" [2 cm]

Found in Costa Rica at elevations of 1300 to 2000 meters as a giant sized, cool growing terrestrial with sparsely branching subapically, cane-like, terete, thick, straight stems enveloped by leafless in the lower 1/3 and leaf bearing sheaths in the upper 2/3's and carrying to 22, articulate, alternate, unequal, lanceolate, acuminate, coriaceous, apical margin denticulate leaves that blooms in the summer through winter on a terminal, erect, racemose, flowering only once, distichous, secund, terete, thin, straight, 4" [10 cm] long, 10 to 19 flowered inflorescence with lanceolate, acuminate, coriaceous, apically gradually shorter floral bracts that are twice as long as the ovary and carrying nocturnally fragrant, simultaneously opening, non-resupinate, secund, fleshy, rigid flowers.

Distinguished by ots erect, racemose inflorescence carrying olive colored flowers with sepals that are less than .02" long and a cordiform lip.


References W3 Tropicos, Kew Monocot list , IPNI ; *Repert. Spec. Nov. Regni Veg. Beih. 19; 127. Costa Rica Schlechter 1923; The Genus Epidendrum Ames 1936; Ceiba Vol 5 No 1 L O Williams 1956; Orchids of Peru Vol 2 Fieldiana Schweinfurth 1959; Flora de Venezuela Vol XV Tercera Parte Foldats 1970 drawing fide; Manual de las Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; Icones Orchidacearum 11 Plate 1174 Hagsater & Sanchez 2008 drawing fide; Orchids of Costa Rica Vol 2 Morales 2009 photo fide;