Maxillaria tenuis C.Schweinf. 1945 sect. Aggregatae Pfitz 1889
Photo by © The Chicago Judging Center Website
Drawing by © Pabst
Common Name The Delicate Maxillaria
Flower Size 2" [5 cm]
Found in Venezuela, northeastern Peru and northern Brazil in moist lowland forests at elevations of 50 to 200 meters as a miniature sized, hot, caespitose to subrepent, erect growing epiphyte with ovoid pseudobulbs enveloped basally by distichous, imbricating, leaf-bearing sheaths and carrying a single, fleshy, linear, acute apically leaves that blooms in the late fall on several, axillary, short to 1.6" [4 cm] long, erect to horizontal, single flowered inflorescence.
See also the similar M granditenuis which differs in the larger flowers, tomentose callus and the midlobe of the lip.
M tenuis is a well defined species, especially in its plant morphology. The oblongoid, elongate pseudobulbs, linear leaves and verrucose, pustulose sheaths eassily separate it from others.
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ;
Ann. Missouri Bot. Gard. 76: 379 Carnevali & Ramirez 1989;
Orchidaceae Brasilenses Band 2 Pabst & Dungs 1977 drawing fide;
Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 drawing ok;
AOS Bulletin Vol 78 #4 2009 photo fide;
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