Sigmatostalix guatemalensis Schltr. 1911 Photo by Jay Pfahl

Flower Closeup Photo by Dr Gilberto Escobar Copyright , and the Dr Leslie Garay Archives

Alba Variety Photo by Arturo Carillo

Inflorescence? Photo by Jay Pfahl

Flower Closeup? Photo by Eric Hunt

Another Flower? Photo by Daniel Jimenez


Common Name The Guatemalan Sigmatostalix

Flower Size 5/8" [1.5 cm]

Found from Mexico south to Ecuador in humid forests at elevations of 1100 to 1700 meters as a small sized, tufted, cool to warm growing epiphyte at elevations of 1100 to 1700 meters with an ellipsoid or ovoid, compressed pseudobulb enveloped basally by leaf-bearing sheaths and carrying a single, apical, erect-spreading, elliptic-lanceolate or ligulate, obtuse to subacute, subcoriaceous leaf and blooms in the summer, fall and winter on a erect to suberect, loosely several flowered, to [13 3/4" [34 cm] long, racemose inflorescence arising on a mature pseudobulb from the leaf sheaths.

Synonyms Oncidium guatemalenoides Chasr & NH Wms. 2008

References W3 Tropicos, Kew Monocot list , IPNI ; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; The Orchids of Panama L.O. Williams & P Allen 1946 drawing good; Encyclopedia of Cultivated Orchids Hawkes 1965 drawing ok; AOS Bulletin Vol 35 No 10 1966 photo; AOS Bulletin Vol 39 No 3 1970; Icones Planetarum Tropicarum Plate 1161 Dodson 1984 drawing ok; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 photo good; Native Colombian Orchids Vol 6 COS 1998 photo fide for first 3 photos; AOS Bulletin Vol 75 No 9 2006 photo; AOS Bulletin Vol 77 No 12 2008 as Oncidium guatemalenoides; Orchids of Costa Rica Vol 2 Morales 2009 photo fide;