Pleurothallis sirene Rchb.f. 1855 SUBGENUS Restrepioidia Luer 1986 Photo by Gerardo Torres

Drawing Drawing by Fitch and the Curtis Botanical Magazine

Full Shade Cold Summer Fall

Common Name or Meaning The Siren Pleurothallis [Greek Mythological nymph in the form of birds]

Flower Size 2" [5 cm]

Found in northeastern Colombia and northwestern Venezuela at elevations of 2000 to 2400 meters as a small to medium sized, cold growing epiphyte with smooth, stout, erect ramicauls enveloped by a tubular sheath below the middle and 1 to 2 shorter ones at the base and carrying a single, apical, erect, coricaeous, elliptical, subacute to obtuse, cuneate below into the subsessile base leaf that blooms in the summer and fall on a loose, subsecund, 4 to 8" [10 to 20 cm] long, simultaneously few to several flowered inflorescence arising through a reclining spathe at the base of the leaf and has thin, tubular floral bracts.

Similar to P glossopogon and often cited as a synonym but differs in the anterior lobe of the lip which is slender, acute and only minutely denticulate while in P glossopogon the anterior lobe is thickened and markedly fimbriate-papillose.

Synonyms Humboldtia sirene (Rchb.f.) Kuntze 1891; Lindleyalis sirene (Rchb.f.) Luer 2004; Pleurothallis scapha Rchb.f. 1874;

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915 as P scapha; Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 hmm I think it is P glossopogon; Icones Pleurothallidinarum Vol XX Luer 2000 drawing fide; Icones Pleurothallidinarum Vol XXVI Luer 2004 as Lindleyallis sirene

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