!Sigmatostalix graminea (Poepp. & Endl.) Rchb. f. 1852 Photo courtesy of Danny Lentz , plant grown by the Atlanta Botanical Garden

Plant and Flowers

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Common Name The Grass-Like Sigmatostalix

Flower Size 3/16" [5mm]

Found in Ecuador, Peru and Bolivia at elevations of 550 to 1600 meters in wet montane forests as a miniature sized, cool to hot growing epiphyte with an elliptic-ovoid, compressed pseudobulb with basal, leaf-bearing bracts that are shorter than the single, apical, linear, bilobed leaf that can bloom on a axillary, 1 1/4"[3cm] long, few flowered raceme arising on a mature pseudobulb that is shorter than the leaf and occurring at any time of the year although mostly in the spring through fall.

Synonyms Oncidium gramineum [Poepp. & Endl.] Chase & NH Wms 2008; Petalocentrum angustifolium Schltr. 1918; Petalocentrum bicornutum (Rolfe) Schltr. 1921; Petalocentrum pusillum (Schltr.) Schltr. 1918; Sigmatostalix aurosanguinea Rchb. f. 1876; Sigmatostalix bicornuta Rolfe 1913; Sigmatostalix peruviana Rolfe 1910; Sigmatostalix pusilla Schltr. 1912; *Specklinia graminea Poepp. & Endl. 1836

References W3 Tropicos, Kew Monocot list , IPNI ; Xenia Orchidaceae Rchb.f 1854 drawing; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as S aurosanguinea; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as S peruviana; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Petalocentrum pusillum; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 drawing fide/photo ok; Native Colombian Orchids Vol 6 COS 1998 photo fide; Native Ecuadorian Orchids Vol 5 Dodson 2004 drawing/photo fide; Icones Planetarum Tropicarum Plate 587 Dodson 1982 as Sigmatostalix peruviana drawing fide; Icones Orchidacearum Peruviarum Plate 570 Bennett & Christenson 1998 drawing fide; Orchid Species Culture Oncidium/Odontoglossum Alliance Bakers 2006; AOS Bulletin Vol 77 No 12 2008 as Oncidium gramineum; Orchid Species Of Peru Zelenko & Bermudez 2009 photo fide; Mille et Une Mini Orchideees Roguenant 2009 photo good;

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