Pleurothallis mexiae Luer 1999

SUBGENUS Acianthera SECTION Sicariae SUBSECTION Sicariae Luer 1986 Drawing by Carl Luer and The Epidendra Orchid Website


Common Name Mexia's Pleurothallis [Peruvian Female orchid enthusiast and collector of species]

Flower Size .08" [2 mm]

Found in Huanaco Peru at elevations around 1560 meters as a mini-miniature to miniature sized, cool growing epiphyte with erect, slenderm narrowly triquetrous ramicauls enveloped by 2 to 3, thin, tubular sheaths and carrying a single, apical, erect, coriaceous, ovate, subacute, rounded below into the sessile base leaf that blooms in the late winter and early spring on an erect, congested, .6" [1.5 cm] long, simultaneously 2 to 4 flowered inflorescence arising through a spathe at the base of the leaf with thin floral bracts.

Similar to and often cited as a synonym of P casapensis and the flowers are quite similar other than color as this one is always purple but vegetatively are quite different with this one having densely caespitose, slender, narrowly triquetrous ramicauls and ovate, rounded below into the sessile base leaf. P casapensis has a stout, triquetrous ramicauls along a stout, creeping rhizome and more or less decurrent leaves.

Synonyms Acianthera mexiae (Luer) Pridgeon & M.W.Chase 2001; Pleurothallis chamensis var. tenuis C.Schweinf. 1942

References W3 Tropicos, Kew Monocot list , IPNI ; *Icones Pleurothallidinarum Vol XVIII Systematics of Pleurothallis subsection Antenniferae, Longiracemosae, Macrophyllae-racemosae and Subgenera Pseudsostelis and Acuminata Luer 1999 as P mexiae; Orquideologia Vol 21 #3 2000 drawing fide; Icones Pleurothallidinarum Vol XXVI Luer 2004 drawing fide;