Sigmatostalix brownii Garay 1968
Photo © by The FAOS SITF Blog Website
Photo © by Ruben Senes and his Flickr Orchid Photo Website
Photo © by Denis Elizondo and his Flickr Orchid Photo Website
and 
Common Name Brown's Sigmatostalix [American Cultivator of the species current]
Flower Size .2" [5 mm]
Found in Costa Rica and Panama in wet and very wet forests at elevations around 500 to 1000 meters as a miniature sized, warm growing epiphyte with reddish brown, ovoid, laterally compressed pseudobulbs enveloped basally by 2 to 4, distichous, foliaceous sheaths and carrying a single, apical, narrowly lanceolate to oblong, acute leaf that blooms in the spring and fall on an erect, lateral, to 7.2" [18 cm] long, paniculate, several condensed branches, closely spaced, several flowered inflorescence with the flowers arising from dense clusters of bracts,
"The massive, convex callus at the base of the lip, ending in two lateral teeth, and the geniculate lamina, easily distinguishes S. brownii frmo close relatives in Mesoamerica" Pupulin 2003
Synonyms Oncidium brownii (Garay) M.W.Chase & N.H.Williams 2008
References W3 Tropicos, Kew Monocot list , IPNI ; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1999 drawing fide; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; Harvard Papers in Botany, Vol. 8, No. 1, pp. 35–59 Pupulin 2003 drawing fide; Orchid Species Culture Oncidium/Odontoglossum Alliance Bakers 2006; AOS Bulletin Vol 77 # 12 2008 as Oncidium brownii; Vanishing Beauty, Native Costa Rican Orchids Vol 2 Lacaena to Pteroglossa Pupulin 2020 as Oncidium brownii photo fide
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