!Sigmatostalix graminea (Poepp. & Endl.) Rchb. f. 1852 Photo by Danny Lentz ©, plant grown by the Atlanta Botanical Garden
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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 ; Nov. Gen. Sp. Pl. 1: 51 Poepp & Endl. 1836 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; Icones Planetarum Tropicarum Plate 587 Dodson 1982 as Sigmatostalix peruviana drawing fide; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 as S peruviana 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 drawing fide/photo ok; Native Colombian Orchids Vol 6 COS 1998 photo fide; Icones Orchidacearum Peruviarum Plate 570 Bennett & Christenson 1998 drawing fide; Orquideologia Vol 22 #2 2002 photo ok; Native Ecuadorian Orchids Vol 5 Dodson 2004 drawing/photo 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; AOS Bulletin Vol 85 #8 2016 photo fide;
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