Lophiaris bicallosa (Lindl.) Braem 1993

Photo by Patricia Harding

Common Name The Two Callus Lophiaris

Flower Size 2" [5 cm]long by 1.6" [4 cm] wide

Found from Mexico, Guatemala, El Salvador and Honduras in humid forests at elevations of 1500 to 2200 meters as a large sized, cool to cold growing, mule eared epiphyte with small pseuodbulbs completely enveloped by several thin, dry sheaths and carrying a single [an occasional 2], apical, erect, rigid, very fleshy, leathery, oblong-elliptic, acute, keeled dorsally, v shaped in cross-section leaf that blooms in the fall and winter on a basal, 8 to 26+ " [20 to 65+ cm] long, pendulous, few to many flowered inflorescence with thin, dry, to 1" [2.5 cm] long bracts along the entire length and carrying large, fragrant flowers.

Synonyms Oncidium bicallosum Lindl. 1842; Trichocentrum bicallosum (Lindl.) M.W.Chase & N.H.Williams 2001;

References W3 Tropicos, Kew Monocot list , IPNI Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 as Oncidium bicallosum drawing good; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium bicallosum; AOS Bulletin Vol 27 No 5 1958 as Oncidium bicallosum drawing ok; Encyclopedia of Cultivated Orchids Hawkes 1965; Las Orquedias De El Salvador Vol 2 Hamer 1974 as Oncidium bicallosum drawing/photo fide; Las Orquedias de El Salvador Vol 3 Hamer 1981 as Oncidium bicallosum drawing fide; An Introdution to the Orchids of Mexico Wiard 1987 as Oncidium bicallosum photo fide; Orchid Digest Vol 55 No 4 1991 as Oncidium bicallosum photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; *Schlechteriana Vol 4 No 1/2 1993; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 photo fide; Guatemala Y Sus Orquideas Behar & Tinschert 1998 photo fide; Lindleyana Vol 16 No 2 2001 as Trichocentrum bicallosum; The Pictoral Encyclopedia of Oncidium Zelenko 2002 as Trichocentrum bicallosum; Orchid Species Culture: Oncidium, Bakers 2006; Guia de Orquideas de Chiapas Carlos Rommel Beutelspacher Baigts 2013 as Trichocentrum bicallosum photo; Algunas Orquideas de Mexico Tomo 1 Suarez 2013 photo fide; AOS Bulletin Vol 85 #3 2016 drawing fide; Harvard Papers in Botany Vol 21 #2 Cetzal-Ix Carnevalli and Romero-Gonzalez 2016 Synopsis of the Trichocentrum Clade photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018

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