Oncidium cogniauxianum Schltr. 1921 SECTION Oblongata Photo by Jay Pfahl

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Common Name Cogniaux's Oncidium [Belgian Botanist in Brazil 1841-1916]

Flower Size 1/2" [1.25 cm]

Found in Brazil in montane forests often in treetops on moss and lichen covered branches in full sun to partial shade as a miniature sized, warm to cool growing epiphyte with small, broadly ovoid, laterally compressed pseudobulbs enveloped basally by several imbricating sheaths and carrying 1 or 2, apical, thin, erect, spreading, linear, acute, conduplicate below into the petiole-like base and blooms in the fall and spring on a basal, to 4" [10 cm] long, wavy, 7 flowered inflorescence arises on a recently matured pseudobulb with nodding to spreading flowers. that blooms in the fall in the southern Hemisphere.

Synonyms Alatiglossum cogniauxianum ( Schltr. ) Baptista 2006; Neoruschia cogniauxiana (Schltr.) Cath. & V.P.Castro 2006; Oncidium alfredi Kranzl. 1922; Oncidium gracillimum Cogn. 1906; Oncidium hoehneanum Schltr. & Mansf. 1930; Oncidium zikanianum Hoehne & Schltr. 1926

References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of the High Mountain Atlantic Rainforest in SE Brazil Warren & Miller 1994; Orchid Species Culture: Oncidium, Bakers 2006; Oncidium Vol 1 Koniger 2004;

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