Oncidium fasciculatum Hágsater 1981 SECTION Oblongata

TYPE Photo by © Eric Hagsater and The AMO Herbaria Website


Photo by Weyman Bussey

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Common Name The Bundled Oncidium

Flower Size 1 1/4" [3 cm]

Found in Mexico and Guatemala as a large sized, cool to cold growing epiphyte in tall tropical evergreen forests at elevations of 1300 to 2800 meters with ellipsoid-ovoid to oblong-ovoid, compressed, sulcate pseudobulbs with several leaf bearing sheaths at the base and carry 2, apical, arching linear-elliptic to linear-lanceolate, subcoriaceous, obtuse, conduplicate below into the base leaves that blooms in the late spring through fall on a basal, 40 to 52" [100 to 130 cm] long, erect panicle with 3 to 4, spreading, 5 to 10 flowered branches and containing from 60 to 150, showy flowers arising on a mature pseudobulb with papery, triangular, scarious floral bracts.

References W3 Tropicos, Kew Monocot list , IPNI ; * Orquídea (Mexico City). 8(1): 3 Hagsater 1981 photo/drawing fide; Icones Orchidacearum I Plate 70 Hagsater & Salazar 1990 drawing ok; Oncidium Vol 1 Koniger 2004 photo/drawing fide; Orchid Species Culture: Oncidium, Bakers 2006; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018