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

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 fide; 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 drawing/photo fide; AOS Bulletin Vol 77 No 12 2008 as Oncidium guatemalenoides; Orchids of Costa Rica Vol 2 Morales 2009 photo fide; AOS Bulletin Vol 85 #8 2016 photo fide;