Disa crassicornis Lindl. 1838 SUBGENUS Micranthae
Photo by © Antoin Le Lirzen.
Photos by © Cameron McMaster
Plant and Flower in situ South Africa
to 
THROUGH EARLY
Common Name The Thick Horned Disa
Flower Size 2" [5 cm]
Found in Lesotho, Cape Province and Natal South Africa in grasslands, riverine forests, rock ledges and swamps at elevations of 600 to 2700 meters as a giant sized, cool to cold growing terrestrial with a stem enveloped by leaf-bearing sheaths and carrying 3 to 4, narrowly lanceolate, acute leaves that blooms in the spring through early fall on a 4 to 12" [10 to 30 cm] long, several to many flowered inflorescence carrying scented flowers
Synonyms Disa jacottetiae Kraenzl. 1915; Disa megaceras Hook.f. 1880; Disa oliveriana Rchb.f. 1886
References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 48 No 2 1979as D jacottitiae photo fide; AOS Bulletin Vol 48 No 9 1979 photo fide; AOS Bulletin Vol 48 No 9 1979 as D jacottetiae photo fide; Wild Orchids of Southern Africa Stewart, Linder, Schelpe & Hall 1982 photo fide; AOS Bulletin Vol 64 No 10 1995 photo; AOS Bulletin Vol 65 No 10 1996 photo fide; African Orchids in the Wild and Cultivation La Croix 1997; Orchids of Southern Africa Linder & Kurzweil 1999 photo fide; A molecular phylogeny for the large African orchid genus Disa Bytebier 2006; AOS Bulletin Vol 76 #7 2007 photo fide; AOS Bulletin Vol 80 #10 2011 photo fide;
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