Epidendrum isthmi Schltr. 1922 GROUP Pseudepidendrum SUBGROUP Paniculatum

Plant and Inflorescence Photos by German Carnevali and CICY Website


Common Name The Panamanian Epidendrum

Flower Size .6" [1.5 cm]

Found in Guatemala, Belize, Honduras, Costa Rica and Panama at elevations of sealevel to 1800 meters as a large sized, hot to cool growing epiphyte with a simple, cane-like, terete, very slightly thickened on the basal half, erect, straight stems carrying 9 to 15, all along the stem, articulate, alternate, subcoriaceous, lanceolate to elliptic-lanceolate, acute leaves that blooms in the late spring through winter on a terminal, occuring only once, thin, somewhat laterally compressed, straight, paniculate, suberect to slightly arching, to 9" [22.5 cm] long, laxly many [10 to 50] flowered inflorescence with the peduncle without bracts, branches with triangular, acuminate floral bracts and carrying simultaneoulsy opening flowers.

The branching stems, the erect inflorescence, the relatively large flowers with the lip and the apex of the column white, the lip can be edged with green, an immaculate disc, the lateral lobes of the lip are more or less rectangular with an irregular margin and the apical lobes are divaricate but straight and with folds.


References W3 Tropicos, Kew Monocot list , IPNI ; Lankester's Epidendra Website CR ; *Repert. Sp. Nov. Regni. Veg. Beih. 17: 34. Panama Schlechter 1922; 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; Vanishing Beauty, Native Costa Rican Orchids Vol 1 Pupulin 2005 photo fide; Orchids of Mexico Hagsater, Soto, Salazar, Jimenez, Lopez and Dressler 2005; Icones Orchidacearum 11 Plate 1132 Hagsater 2008 drawing good; Orchids of Costa Rica Vol 3 Morales 2009 photo fide; Orchids of the Darien Gap Kolanowska 2014 drawing fide; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017 Photo fide;