Pleurothallis decurrens Poepp. & Endl. 1836 SUBGENUS Acianthera SECTION Sicariae SUBSECTION Sicariae Luer 1986

Plant and Inflorescence

Photo by Duane McDowell


Drawing by Lipsiae, Sumptibus Friderici Hofmeister and The Swiss Orchid Foundation at the Jany Renz Herbaria


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