Sigmatostalix sergii P. Ortiz 1991 Photo courtesy of Danny Lentz ©, plant grown by the Atlanta Botanical Garden

Another Flower Photo by Jay Pfahl

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Common Name Sergio's Sigmatostalix [Sergio Londono Colombian Orchid enthusiast late 1900's]

Flower Size 3/8" [.9 cm]

Found in Colombia on the western cordillera in the Valle de Cauca at elevations of 1500 to 1600 meters as a miniature to small sized, warm to cool growing epiphyte with elliptic, laterally flattened pseudobulbs enveloped basally by distichous, imbricating, conduplicate sheaths and carrying a single, apical, narrowly lanceolate to elongate, acute leaf that narrows below into a conduplicate base that blooms in the winter and spring on an axillary, to 9" [22.5 cm] long, successively few flowered inflorescence arising from the leaf axils of a newly matured pseduobulb with the few flowers open on very short branches arising towards the apex.

References W3 Tropicos, Kew Monocot list , IPNI ; Orchid Species Culture Oncidium/Odontoglossum Alliance Bakers 2006

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