Epidendrum firmum Rchb.f. 1866 GROUP Difforme Photo by Daniel Matamoros and His Flickr Photo Website

Common Name The Strong Epidendrum [refers to the rigid stems]

Flower Size 1.2" [3 cm]

Found in Nicaragua, Costa Rica and Panama in montane wet forests, oak and cloud forests at elevations around 650 to 2000 meters as a small to medium sized, warm to cool growing epiphyte with simple, cane-like, slightly laterally compressed, straight to slightly flexuous stems carrying 7 to 13, distributed all along the stem, coriaceous, smooth, light green, linear, obtuse, conduplicate below into the clasping base leaves that blooms in the spring and summer on an apical, arising on a mature stem, flowering only once, subcorymbose, subsessile, very short inflorescence with ovate acute floral bracts that are much shorter than the ovary and carrying 2 to 4, simultaneously opening, nocturnally scented, resupinate flowers.

This species differs form others in the medium sized plants with somewhat laterally compressed stems carrying generally lanceolate leaves and with 2 to 4 clear green flowers with an intensely sweet fragrance, the filiform petals, the trilobed li pwith the median lobe subquadrate and lightly emarginate to mucronate apically as wel las horned, divergent calli.

Synonyms Epidendrum difforme var. firmum (Rchb.f.) Ames, F.T.Hubb. & C.Schweinf. 1934; Epidendrum majale Schltr. 1918

References W3 Tropicos, Kew Monocot list , IPNI ; Repert. Sp. Nov. Regni. Veg. Beih. 19: 37. Costa Rica Schlechter 1923; The Genus Epidendrum Ames 1936 as Epidendrum difforme var firmum; The Orchids of Panama L.O. Williams & P Allen 1946 as E difforme var firmum; Ceiba Vol 5 No 1 L O Williams 1956 as E difforme var firmum; Icones Planetarum Tropicarum Plate 1317 Atwood 1989 drawing fide; Manual de las Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; Icones Orchidacearum 9 Plate 937 Hagsater & Sanchez 2007 drawing fide; Orchids of Costa Rica Vol 3 Morales 2009 photo fide;

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