Maxillaria bicallosa (Rchb.f.) Garay 1962 sect. Polyphyllae Christenson 2013 Photo by B R Chambi and the Atrium Biodiversity Information System Website

Part ShadeWarm Cool fall

Common Name The Two Callosed Maxillaria

Flower Size 1.15" [2.8 cm]

Found in Costa Rica, Panama, Ecuador and Peru at elevations of 700 to 800 meters as a medium to just large sized, warm to cool growing epiphyte without pseudobulbs and a flexuous, filiform, elongate stem enveloped completely by erect-patent, linear, acute, glabrous,thin textured leaves that blooms in the fall on axillary, fasciculate, terete, dull maroon, 1.2" [3 cm] long, single flowered inflorescence with several close bracts below the middle

Synonyms Inti bicallosa (Rchb.f.) M.A.Blanco 2007; Kefersteinia bicallosa (Rchb.f.) Rchb.f. 1878; Maxillaria caespitosa C.Schweinf. 1945; Ornithidium dolichophyllum Schltr. 1921; *Zygopetalum bicallosum Rchb.f.1878

References W3 Tropicos, Kew Monocot list , IPNI ; Otia Botanica Hamburgensia Rchb.f 1878 as Zygopetalum bicallosum; Die Orchideen der Sudamerikanischen Kordillerenstaaten IV Peru Schlechter 1921; Icones Planetarum Tropicarum Plate 145 Dodson 1980 drawing hmm; Orchids from The Coast Of Ecuador Arosemana, Jurado, Estrada and Konanz 1988 photo fide; Native Colombian Orchids Vol 3 COS 1991 as M chartacifolia photo not; Icones Orchidacearum Peruviarum Plate 093 Bennett & Christenson 1993 drawing fide; Native Colombian Orchids Vol 6 COS 1998 errata = M bicallosa; Native Ecuadorian Orchids Vol 3 Dodson 2002 drawing ok; Orquideas de la Serrania del Baudo Misas Urreta 2006 drawing/photo ok?; Orchids of Costa Rica Vol 4 Morales 2009 as Inti bicallosa photo fide;

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