Epidendrum tridactylum Lindl. 1838 GROUP Amblostoma SUBGROUP Amblostomioides
Photo by © Jay Pfahl
Photo by © Dalton Holland Baptista
Common Name The Three-Fingered Epidendrum
Flower Size 5/8" [1 1/2 cm]
Found in Mexico, Ecuador, Peru, Brazil and Bolivia on steep, damp, rocky slopes at elevations around 100 to 1900 meters as a medium sized, cool growing terrestrial with slender to thickly fusiform stems often enveloped basally by 4 to 5, soon evanescent, membraneous sheaths and carrying 4 to 5, linear-oblong, obtuse, apiculate leaves that blooms in the spring in the southern hemishpere on a paniculate, arcuate, many flowered inflorescence with rugose floral bracts and variable flower color.
Synonyms Amblostoma cernua Scheidw. 1838; Amblostoma densum Rchb.f. 1872; Amblostoma densum Rchb. f. 1878; Amblostoma dusenii Kraenzl. 1911; Amblostoma tridactylum (Lindl.) Rchb. f. 1838; Epidendrum amblostoma Rchb.f. 1854; Epidendrum citrinum Barb.Rodr. 1877; Epidendrum tridactylum var. pallidum Knowles & Westc. 1838
References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1854 as E amblostoma; Refugium Botanicum Reichenbach 1872 as Amblostoma tridactylum drawing fide; Xenia Orchidaceae Vol 3 Reichenbach 1878 as Amblostoma densum; Die Orchideen Schlechter 1915 as Amblostoma tridactylum; Iconografia de Orchidaceae Do Brasil Hoehne 1949 as Amblastoma cernuum drawing fide; Orchids of Peru Vol 2 Schweinfurth 1959 as Amblostoma tridactylum; Encylopedia of Cultivated Orchids 1965 as Amblostoma tridactylum drawing fide; Orchidaceae Brasilenses Band 1 Pabst & Dungs 1975 as Amblostoma tridactylum drawing fide; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 8 449 - 512 Brieger, Maatsch and Senghas 1976 as Amblostoma tridactylum photo fide; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 8 449 - 512 Brieger, Maatsch and Senghas 1976 as Amblostoma densum; Manual of Cultivated Orchids Bechtel, Cribb, Laurent 1992 as Amblostoma tridactylum photo good; Icones Orchidacearum Peruviarum Plate 001 Bennett & Christenson 1993 as Amblostoma tridactylum drawing fide; Orchids of Bolivia Vol 2 Laelinae Vasquez and Ibisch 2004; Boletim CAOB No 62 2006 photo ok; Icones Orchidacearum 13 Plate 1333 Hagsater & Santiago 2010 as Amblostoma cernua See recognition section; Orchidees Du Bresil As Orchideas da Serra Do Castello Vol 3 Chiron & Bolsanello 2013 drawing/photo fide; Orquideas, Tesoro de Colombia Vol 2 Ortiz & Uribe 2017; Icones Orchidacearum 18(2) Plate 1888 Hagsater & Jimenez 2021 see recognition section
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