Epidendrum triangulabium Ames & C.Schweinf. 1930 GROUP Tandapianum Drawing by © Hagsater and The AMO Herbaria Website


Common Name The Triangular Lip Epidendrum [refers to the lip shape]

Flower Size 1.2" [3 cm]

Found in Costa Rica and Panama in montane forests at elevations of 600 to 1000 meters as a mini-miniature to miniature sized, warm growing epiphyte with simple, cane-like, basally terete, laterally compressed above, newly arising from the basal internodes of the previous stem and carrying 9 to 16, two-ranked, dichaea-like, facing upwards with the blade facing the stem, all along the stem, articulate, distichous, chartaceous, elliptic, obtuse, unequally bilobed, minutely apicaulate, margin entire leaves that blooms in the late summer through early winter on a terminal, occuring only once, peduncle with a single, oblong-lanceolate, rounded, conduplicate bract, subsessile, single flowered inflorescence with shorter than the ovary, hidden within the bract of the peduncle and carrying a non-resupinate, concolor, light green flower.

Characterized by the compact stems carrying 1 to 2 flowers with a triangular lip with 3 prominent keels


References W3 Tropicos, Kew Monocot list , IPNI ; The Genus Epidendrum Ames 1936; Ceiba Vol 5 No 1 L O Williams 1956; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 9 513 - 576 Brieger, Maatsch and Senghas 1977 as Pleuranthium triangulabium; Field Guide to the Orchids of Costa Rica and Panama Dressler 1993; Manual de las Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; Icones Orchidacearum 11 Plate 1190 Hágsater & Santiago 2008 drawing fide; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017 photo fide;