Epidendrum vesicicaule L.O.Williams 1940 GROUP Megalospathum SUBGROUP Vesicaule

Drawing Photo by M. Rincon-Gonzalez/ Drawing by Jimenez and The AMO Herbaria Website


Common Name The Inflated Leaf Sheath Epidendrum

Flower Size 1" [2.5 cm]

Found in Colombia on the Nevado de Tolima on the Cordillera central and the inter-Andean valley of northern Ecuador in elfin forests and at the edge of paramos at elevations of 3300 to 3800 meters as a small to medium sized, cold growing epiphyte with branching, new branches arise from the basal internodes of the previous stem, cane-like, terete, thin stems carrying 9 to 11, all along the stem, unequal in size, basally smaller, articulate, sub-pendent, somewhat fleshy, narrowly lanceolate, falcate, acuminate, margin entire leaves that blooms in the mid fall through mid spring on a terminal, arising through a conduplicate, obliquely lanceolate in natural position, ovate when spread, acuminate spathe, peduncle and rachis totally enveloped by the spathe, .8" [2 cm] long overall, racemose, occuring only once, laxly, simultaneously 4 flowered inflorescence with much shorter than the ovary, narrowly triangular, clasping, generally hidden within the spathe floral bracts and carrying resupinate, green, non-fragrant flowers.

This species is in a group of about 12 species that have often in the past been considered synomonous and are spread from Colombia to Bolivia. The separated species include E. cardiomorphum, Epidendrum calyptratoides,Epidendrum calyptratum, Epidendrum calyptrectylosum; Epidendrum chaparense, Epidendrum falcivesicicaule, Epidendrum lagotis; Epidendrum pachyclinium, Epidendrum platypetalum and Epidendrum vesicicaule


References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Peru Vol 2 Schweinfurth 1959; Native Ecuadorian Orchids vol 2 Dodson 2001 photo fide; Orquideas Nativas del Tachira Fernandez 2003 photo not; Icones Orchidacearum 15[2] Plate 1599 Hagsater & Santiago 2016 drawing/photo fide; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017 photo fide;