Pleurothallis decurrens Poepp. & Endl. 1836 SUBGENUS Acianthera SECTION Sicariae SUBSECTION Sicariae Luer 1986
Photo by © Duane McDowell
Drawing by Lipsiae, Sumptibus Friderici Hofmeister and The Swiss Orchid Foundation at the Jany Renz Herbaria
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Common Name The Downward Running Pleurothallis
Flower Size .8" [2 cm] tall
Found in Colombia, Peru and Ecuador in wet montane forests at elevations of 1150 to 2800 meters as a to small sized, cool to cold growing epiphyte with elongate, slender, terete, stiff pseudobulbs enveloped basally by 2 tubular, scarious sheaths, with a single, apical, elliptic, subamplexicaule, acuminate, coriaceous, dark green leaf that blooms in the winter on a fascile of short [to 3 cm], racemose, few [2 to 4] flowered inflorescence arising from a small spathe, and lays laxly upon the upper leaf surface.
Synonyms Acianthera decurrens (Poepp. & Endl.) Pridgeon & M.W. Chase 2001; Humboldtia decurrens (Poepp. & Endl.) Kuntze 1891; Humboltia decurrens (Poepp. & Endl.) Kuntze 1891
References W3 Tropicos, Kew Monocot list , IPNI ; Icones Pleurothallidinarum Systematics of Pleurothallis Vol 3 Luer 1986; Icones Orchidacearum Peruviarum Plate 744 Bennett & Christenson 2001 drawing no petals not denticulate; Lindleyana Vol 16 No 4 2001 as Acianthera decurrens; Icones Pleurothallidinarum Vol XXVI Luer 2004 drawing fide; Orchid Species of Peru Zelenko Bermudez 2009 as Acianthera decurrens photo fide; Anales Jard. Bot. Madrid 75(1)e069: 13 2018 A taxonomic synopsis of Acianthera (Orchidaceae: Pleurothallidinae) in Peru, including two new species Damian, Chiron and Mitidieri 2018 as Acianthera decurrans; Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Acianthera decurrans photo fide
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