Pleurothallis sigmoidea Ames & C.Schweinf. 1930 SUBGENUS Kraenzlinella (Kuntze) Luer 1986

Photo by Franco Bogarin

TYPE Drawing

TYPE Drawing by Carl Luer

Full Shade WarmFallWinter

Common Name or Meaning The "S" Shaped Pleurothallis [refers to the lip shape]

Flower Size .4" [1 cm]

Found in the province of Guanacaste in Costa Rica at elevations of 500 to 1000 meters as a mini-miniature sized, warm growing, shortly repent to caespitose epiphyte with stout, erect to suberect ramcauls enveloped by 2 loose tubular sheaths and carrying a single, apical, erect, thickly coriaceous, narrowly elliptical, fusiform, acute, more or less conduplicate below into the sessile base leaf that blooms in the fall and winter on an erect, arising through a spathe at the base of the leaf, loose, slightly flexuous, peduncel 1.6 to 2" [to to 5 cm] long, rachis to 2 to 2.4" " [5 to 6 cm] long, successively single, several flowered inflorescence with infundibulrar, as long as the pedicel floral bracts.

"Pleurothallis sigmoidea is identified the small, thick, conduplicate, sessile leaves and a considerably longer raceme of successive flowers. The sepals are carinate and minutely ciliate; the petals are bilobulate at the base; the blade of the lip is oblong, obtuse, cellular-glandular, erose bilobulate at the base and channeled medially; and the claw is decurved and bitobulate at the base" Luer 1994

Synonyms Kraenzlinella sigmoidea (Ames & C.Schweinf.) Luer 2004

References W3 Tropicos, Kew Monocot list , IPNI ;

* Schedul. Orch. 10: 36-37. Ames & C.Schweinf 1930;

Icones Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986;

Icones Pleurothallidinarum Vol XI Systematics of Lepanthes Subgenus Brachycladium and Pleurothallis Subgenus Aenigma, Subgenus Elongata and Subgenus Kranzlinella Luer 1994

Icones Pleurothallidinarum Vol XI Systematics of Lepanthes Subgenus Brachycladium and Pleurothallis Subgenus Aenigma, Subgenus Elongata and Subgenus Kranzlinella Luer 1994 Drawing fide;

Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 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 Kraenzlinella sigmoidea;

Phytotaxa 275: 272 Doucette 2016 as Acianthera sigmoidea;

Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Acianthera sigmoidea photo fide

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