Masdevallia posadae Luer & R. Escobar 1982 SUBGENUS Polyantha SECTION Alaticaules SUBSECTION Alaticaules [Krzl.] Luer 1986
Photo by Richard Korber
Photo by Eric Hunt, plant grown by SF Conservatory of Flowers
TYPE Drawing by Carl Luer
to 
Common Name Posada's Masdevallia [Colombian Orchid Nurseryman 20th cen]
Flower Size 3/4" [2 cm]
Found in Narino department of Colombia in cloud forests as a mini-miniature sized, warm to cool growing, caespitose epiphyte at elevations of 900 to 1200 meters with stout, erect ramicauls enveloped by 2 to 3 loose, tubular sheaths carrying a single, apical, erect, thickly coriaceous, elliptical, subacute to obtuse, cuneate below into the channeled, stout petiolate base leaf that blooms on a subcongested, 4 3/4" to 9 3/4" [12 to 24 cm] long, successively single flowered raceme arising from low on the ramicaul with a basal bract and a foliaceous, imbricating floral bracts with the rapidly successive flowers are held above the leaf.
Synonyms Alaticaulia posadae (Luer & R.Escobar) Luer 2006; Masdevallia sijmiana Koniger 1995
References W3 Tropicos, Kew Monocot list , IPNI ; Systematics of Masdevallia Vol 2 Luer 1986; Native Colombian Orchids Vol 2 COS 1991 photo fide; Icones Orchidacearum Peruviarum Plate 288 Bennett & Christenson 1995; Icones Pleurothallidinarum XIX Systematics of Masdevallia Part 1 Luer 2000 drawing fide; Icones Pleurothallidinarum XXV Systematics of Masdevallia Part Five Luer 2003; Icones Pleurothallidinarum Vol XXVIII Luer 2006 as Alaticaulia posadae; Libro Rojo de Plantas De Colombia Vol 6 Primera Parte Saenz 2007
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