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

Plant and Flowers

Flower Close up

Photos by Lourens Grobler


Common Name The Large Flowered Masdevallia

Flower Size 1.6 to 2.4" [4 to 6 cm]

Found Ecuador and Peru in cloud forests at elevations of 1000 to 2500 meters as a mini-miniature sized, cool to cold growing epiphyte 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 fide Systematics of Masdevallia Vol 2 Luer 1986; AOS Bulletin Vol 64 No 7 1995 photo fide; Orchid Digest Vol 60 #3 1996 photo fide; Orchids Australia Vol 10 No 6 1998 photo; Masdevallia's in Kleur Vol 1 P M Oversteegen, Eisses & A P Sijm 2001 photo fide; 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 fide; Orchid Digest Vol 72 No 4 2008 photo fide; 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; Orchid Digest Vol 78 #4 2014 photo fide; Orchids Masdevallia with its segregates including Dracula Zelenko 2014 photo fide; AOS Bulletin Vol 84 #4 2015 photo fide; AOS Bulletin Vol 86 # 1 2017 photo fide;