Disa walleri Rchb.f., 1881 SECTION Micranthae

Plant & Flowers in situ South Africa

Photo courtesy of Swiss Orchid Foundation at the Herbarium Jany Renz and their Website

Full sun Cool Cold LATE Spring Summer

Common Name Waller's Disa [English Missionary in East Africa 1800's]

Flower Size 1.6" [4 cm]

Found in Burundi, Zaire, Tanzania, Malawi, Zambia, Zimbabwe in woodlands and secondary montane grasslands in full sun at elevations of 1000 to 2300 meters as a medium sized, cool to cold growing terrestrial with 1 to 4, erect, conduplicate, ellitptic to oblanceolate, acute leaves that blooms in the late spring and summer on an erect, terminal, to 6 to 10" [to 15 to 25 cm] long, laxly 15 to 30 flowered inflorescence.

Synonyms Disa leopoldii De Wild. & T.Durand 1899; Disa princeae Kraenzl.1900; Disa zombaensis Rendle 1894

References W3 Tropicos, Kew Monocot list , IPNI ; *Otia Botanica Hamburgensia Rchb.f 1881; Die Orchideen Schlechter 1915; Flora Of Tropical East Africa Vol 1 Summerhayes 1968 drawing fide; The Orchids of South Central Africa Williamson 1977 drawing/photo fide; Flore D'Afrique Centrale [Zaire- Rwands - Burundi] Orhidaceae Premeir parte Geerink 1984 drawing fide; Flora Zambesiaca Vol 11 Orchidaceae Part 1 Pope 1995 drawing/photo fide; Genera Orchidacearum Vol 2 Part One Pridgeon, Cribb, Chase and Rasmussen 2001 drawing fide; A molecular phylogeny for the large African orchid genus Disa Bytebier 2006; Terrestrial African Orchids, A select Review John S. Ball 2009 drawing fide