Masdevallia maduroi Luer 1998 SUBGENUS Polyantha SECTION Polyanthae SUBSECTION Successiviflorae Luer 2000

Photo by Lourens Grobler

TYPE Drawing

TYPE Drawing by Carl Luer

Deep shadeCool Fall

Common Name Maduro's Masdevallia [Panamanian Orchid Enthusiast current]

Flower Size 2" [5 cm]

Found in Chiriqui department of Panama at elevations of 1200 meters as a miniature sized, cool growing, caespitose epiphtye with blackish, erect ramicauls enveloped basally by 2 to 3 tubular sheaths and carrying a single, apcial, erect, coriaceous, elliptical, subacute, cuneate below into the petiolate base leaf that blooms in the fall on a slender, arising from low on the ramicaul with a basal bractsuberect, round in cross-section, 2/8 to 3.2" [7 to 8 cm] long, successively several, single flowered inflorescence with thin, slightly longer than the pedicel floral bracts.

"Related to M lata and M thieni but the extremely thin peduncle arises from the base of a ramicaul, the peduncle is about as long as the leaf but because of the weight of the large successive flowers the raceme becomes pedent. The sepals are connate into a cup with the dorsal sepal held forward. The lateral sepals are connate into a deeply rugose synsepal with a central, conical concavity. A tall lamella is present on the petals above the lower margin. The lip is large with prominent, non-marginal folds at a constriction above the middle. Most unusual is the large callous base beneath that expands nearly to the middle, to which the elongated extension of the column-foot is hinged." Luer 2000

Synonyms Alaticaulia maduroi (Luer) Luer 2006

References W3 Tropicos, Kew Monocot list , IPNI ; * Icones Pleurothallidinarum XVII Systematics of subgen. Pleurothallis sect. Abortivae sect. Truncatae sect. Pleurothallis subsect. Acroniae subsect. Pleurothallis subgen. Dracontia subgen. Unciferia Addenda to Dracula, Lepanthes, Masdevallia, Porroglossum, and Scaphosepalum Luer 1998 Drawing fide; A Treasure of Masdevallia Vol 24 Luer & Dalstroem 1999 watercolor/drawing fide; Icones Pleurothallidinarum Vol XIX Masdevallia Part 1 Luer 2000 drawing fide; Masdevallia's in Kleur Vol 1 P M Oversteegen, Eisses & A P Sijm 2001 photo fide; Icones Pleurothallidinarum Vol XXVIII Luer 2006 as Alaticaulia maduroi; Icones Pleurothallidianrum Vol XXIX A Third Century of Stelis of Ecuador Systematics of Apoda-Prorepentia Luer 2007 as Alaticaulia maduroi