Maxillaria bradeorum (Schltr.) L.O.Williams 1941
Photos by © Eric Hunt
and 
Common Name Brades' Maxillaria [Brother Botanists in Costa Rica 1900's]
Flower Size .4" [1 cm]
Found in Costa Rica and Panama in premontane and lower montane rain forests at elevations of 700 to 1800 meters as a medium to giant sized, warm to cool growing, caespitose, unifoliate epiphyte and occasional terrestrial with decumbent canes comprised of successively arising shoots terminated by an ovoid to suborbicular, compressed pseudobulb enveloped basally by a few leaf bearing sheaths and carrying a single [2], narrowly elliptic, gradually widening towards the apex, acute, gradually narrowing below into the short, distinct, petiolate base leaf that blooms in the summer through fall on an axillary, 2.8" [7 cm] long, single flowered inflorescence enveloped by subtending floral bracts.
Similar to M ampliflorum but it has larger flowers with less purple in the floral segments, and a lip with a proportionally larger midlobe.
Synonyms *Camaridium bradeorum Schltr. 1923; Maxillaria semiorbicularis Ames & C.Schweinf. 1925
References W3 Tropicos, Kew Monocot list , IPNI ; Repert. Sp. Nov. Regni. Veg. Beih. 19: 57. Costa Rica Schlechter 1923 Camaridium bradeorum; Repert. Sp. Nov. Regni. Veg. Beih. 19: 141. Costa Rica Schlechter 1923 Camaridium bradeorum; The Orchids of Panama L.O. Williams & P Allen 1946; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1999 drawing good; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; Orquideas de la Serrania del Baudo Misas Urreta 2006 drawing/photo ok; Orchids of Costa Rica Vol 2 Morales 2009 as Camaridium bradeorum photo fide; AOS Bulletin Vol 80 #2 2011 as Camaridium bradeorum photo fide; AOS Bulletin Vol 80 #6 2011 AS cAMARIDIUM BRADEORUM photo fide; AOS Bulletin Vol 84 #12 2015 photo fide; Vanishing Beauty, Native Costa Rican Orchids Vol 2 Lacaena to Pteroglossa Pupulin 2020 as Camaridium bradeorum photo fide
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