Masdevallia decumana Koniger 1982 SUBGENUS Masdevallia SECTION Masdevallia SUBSECTION Caudatae Veitch 1889

Plant and Flowers

Flower Close up Photos courtesy of Lourens Grobler

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Common Name The Large Flowered Masdevallia

Flower Size 1 1/2 to 2 1/4" [4 to 6 cm]

A mini-miniature sized, warm to cold growing, epiphytic species from Peru and Ecuador found at elevations of 1000-2500 meters in cloud forests with a blackish, slender, erect ramicaul enveloped basally by 2 to 3 tubular sheaths carrying a single, apical, erect, coriaceous, elliptical, obtuse to rounded leaf that is cuneate below into the petiole and blooms in the winter on a slender, suberect, 2 to 2 1/4" [5 to 6] cm long, erect inflorescence arising from low on the ramicaul with a bract near the base and a floral bract that has a solitary flower held below or just at leaf height.

This plant is a cold to cool growing species that likes high humidity, shade, good air circulation and potted in a chopped mixture of tree fern, fir bark, perlite and sphagnum moss that is forever kept moist.

References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 55 No 2 1986 photo; Systematics of Masdevallia Vol 2 Luer 1986; AOS Bulletin Vol 64 No 7 1995 photo; Orchids Australia Vol 10 No 6 1998 photo; Icones Pleurothallidinarum XXIII Systematics of Masdevallia Part 4 Luer 2002 drawing fide; Native Ecuadorian Orchids Vol 3 Dodson 2002 photo fide; AOS Bulletin Vol 74 No 4 2005 photo; Orchid Digest Vol 72 No 4 2008 photo; Orchid Species of Peru Zelenko Bermudez 2009 photo fide; Orchidaceae Masdevallia and Affiliates Dodson & Luer 2009 drawing fide; Orquideas del Peru Freuler 2010 photo fide; Las Orquideas del Peru Izerskyy & Bezverhov 2011 photo fide

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