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

Plant and Flowers

Flower Close up Photos courtesy of Lourens Grobler


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