Pleurothallis mediocarinata C.Schweinf. 1970 SUBGENUS Acuminatia SECTION Acuminatae Luer 1986

Photo by Gary Yong Gee and Orchid Photos by Gary Yong Gee Website

Drawing

Drawing by Carl Luer

Common Name The Carinate Midline Pleurothallis

Flower Size .2" [5 mm]

Found in Peru and Bolivia at elevations around 2400 meters as a mini-miniature sized, cold growing, caespitose epiphyte with slender, erect ramicauls enveloped by 2 to 3 thin, tubular sheaths and carrying a single, erect, thickly coriaceous, elliptical, obtuse to rounded, cuneate below into the petiolate base leaf that blooms in the spring on a loose, arising through a spathe with an annulus below the base of the leaf, secund, 2 to 4" [5 to 10 cm] long, simultaneously several flowered inflorescence with a longer than the pedicel floral bract.

"Distinguished by the elliptical, petiolate base leaf surpassed by a secund, several flowered inflorescence of medium sized flowers. The sepals are obtuse and pubescent within, the petals are rounded apically, and the lip is minutely verrucose at the obtuse apex with thick, erect margins below the middle. A midline callus is present below the middle." Luer 1999

Synonyms Anathallis mediocarinata (C.Schweinf.) Pridgeon & M.W.Chase 2001; Specklinia mediocarinata (C.Schweinf.) Luer 2004; Stelis mediocarinata (C.Schweinf.) Karremans 2014

References W3 Tropicos, Kew Monocot list , IPNI ;

* Orchids of Peru Fieldiana, Bot. 33: 26 Schweinfurth 1970

Icones Pleurothallidinarum Vol XVIII Systematics of Pleurothallis subsection Antenniferae, Longiracemosae, Macrophyllae-Racemosae and Subgenera Pseudsostelis and Acuminata Luer 1999

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 4:249 Pridgeon and Chase 2001 as Anathallis mediocarinata;

Macchu Picchu Orchids Eric Christenson 2003;

Icones Pleurothallidinarum Vol XXVI Pleurothallis subgenus Acianthera and Three Allied subgenera, A Second Century of new Species of Stelis of Ecuador, Epibator, Ophidion and Zootrophion Luer 2004 as Specklinia mediocarinata;

Orchid Species of Peru Zelenko & Bermudez 2009 as Anathallis mediocarinata photo fide;

Lankesteriana 13: 329 Karremans 2014 as Stelis mediocarinata

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