Pleurothallis rubens Lindl. 1836 SUBGENUS Specklinia SECTION Acuminatae Lindley 1859
Photo by © Gustavo Righelato
Plant and Inflorescence Photos courtesy of Dalton Holland Baptiste
to 
Common Name The Becoming Red Pleurothallis [refers to the dried flowers]
Flower Size 1/2" [1.25 cm]
Found in Ecuador, Peru, Bolivia and Brazil in wet montane forests at elevations of 600 to 2750 meters as a miniature sized, hot to cool growing, miniature, caespitose epiphyte with erect ramicauls enveloped by 1 to 3 large, complanate, scarious bracts carrying a single, apical, oblong-elliptic, subacute, blunt, coriaceous leaf that blooms in the fall on an erect to arching, 4 3/8" [11 cm] long, simultaneously opening, several flowered, racemose inflorescence with several close, tubular bracts and ovate, acute, subinfundibuliform floral bracts that cover 1/2 of the ovary. Separated from opther species by the labellum with subapical, transverse ridges of blunt teeth and a very elongate, beaked clinadrial hood.
Synonyms Anathallis amblyopetala (Schltr.) Pridgeon & M.W. Chase 2001; Anathallis rubens (Lindl.) Pridgeon & M.W. Chase 2001; Humboldtia rubens (Lindl.) Kuntze 1891; Humboltia rubens (Lindl.) Kuntze 1891; Pleurothallis amblyopetala Schltr. 1913; Pleurothallis excisa C. Schweinf. 1953; Pleurothallis montserratii Porsch 1905; Pleurothallis rubens var. latifolia Cogn. 1896; Pleurothallis rubens var. longifolia Cogn. 1896; Specklinia rubens (Lindl.) F.Barros 1983 publ. 1984;
References W3 Tropicos, Kew Monocot list , IPNI ; Encyclopedia of Cultivated Orchids Hawkes 1965; Systematics of Pleurothallis Vol 3 Luer 1986 as Pleurothallis amblyopetala; Orchids of the High Mountain Atlantic Rainforest in SE Brazil Warren & Miller 1994; Icones Orchidacearum Peruviarum Plate 552 Bennett & Christenson 1998 drawing fide to first photo; Icones Pleurothallidinarum Vol XVIII Systematics of Pleurothallis subsection Antenniferae, Longiracemosae, Macrophyllae-racemosae and Subgenera Pseudsostelis and Acuminata Luer 1999 drawing fide; Lindleyana Vol 16 No 4 2001 as Anathallis rubens; Icones Pleurothallidinarum Vol XXVI Luer 2004 as Specklinia rubens; Orquideas Da Chapada Diamantina Brito & Cribb 2005 drawing to the second photo; Orchid Digest Vol 71 No 3 2007 photo; Orchid Species of Peru Zelenko Bermudez 2009 as Anathalis rubens photo fide to the second photo
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