Masdevallia semiteres Luer & R.Escobar 1979 SUBGENUS Masdevallia SECTION Coriaceae SUBSECT Coriaceae [Rchb.f]Veitch 1889 Photo courtesy of Lourens Grobler

Side View of Flower Photo by Karl Senghas and Swiss Orchid Foundation at the Jany Renz Herbaria

Plant and Flowers in situ Peru Photo by Copyright Sacha and the Flora of The Andes WebsiteWebsite

Full sun Cold Spring Summer

Common Name The Semi-Terete Masdevallia [refers to the leaves]

Flower Size .8" [2 cm]

Found in Peru in xerophytic conditions in bare rocky terrain in full sun at elevations of 2500 to 3800 meters as a mini-miniature sized, cold growing terrestrial or lithophyte with erect, stout, terete ramicauls enveloped basally by 2 to 3 short, imbricating, tubular sheaths and carrying a single, apical, erect, coriaceous, semiterete, grey-green, fleshy, sulcate, narrowly linear elliptical obovate, acute, greadually narrowing into the base leaf that blooms in the spring and summer on a stout, suberect, .4 to .6" [1 to 1.5 cm] long, single flowered inflorescence arising from low on the ramicaul with a bract above the base.

Synonyms Byrsella semiteres (Luer & R.Escobar) Luer 2006

References W3 Tropicos, Kew Monocot list , IPNI ; Icones Pleurothallidinarum XXI Masdevallia Part 2 Luer 2001 drawing fide; Icones Pleurothallidinarum Vol XXVIII Luer 2006 as Byrsella semiteres; Orchid Species of Peru Zelenko Bermudez 2009 photo fide