Sigmatostalix macrobulbon Kraenzl. 1922 Photo courtesy of David Morris and Clackamas Orchids

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Common Name The Large-Bulbed Sigmatostalix

Flower Size 1/10th" [.3 cm]

Found in Costa Rica and Panama in windy, tropical lowland rainforest at elevations of sealevel to 1260 meters but most often between 700 to 900 meters as a miniature sized, hot to warm growing epiphyte on smaller branches that occurs at elevations of 400 to 1200 meters with elliptic-ovate, laterally compressed pseudobulbs with 2 to 3, basal, foliaceous bracts with 2 apical, subcoriaceous, linear-lanceolate leaves that blooms on a basal, erect, racemose, 4 3/4 to 6" [12 to 15 cm] long, longer than the leaves, several flowered inflorescence arising on a mature pseudobulb and occuring in the fall and winter.

References W3 Tropicos [http://mobot.mobot.org/W3T/Search/vast.html] , Kew Monocot list [ http://www.kew.org/wcsp/home.do ], IPNI [ http://www.us.ipni.org/ipni/plantsearch?request_type=search&output_format=query&ret_defaults=on Icones Planetarum Tropicarum Plate 1588 Atwood 1993; Orchid Species Culture Oncidium/Odontoglossum Alliance Bakers 2006

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