Disa walleri Rchb. f.

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Disa walleri

Photo: Nicholas Wightman
Mutinondo Wilderness Lodge, beside the airstrip runway (Mpika Distr., Muchinga Province)

Disa walleri

Photo: Nicholas Wightman
Mutinondo Wilderness Lodge, beside the airstrip runway (Mpika Distr., Muchinga Province)

Disa walleri

Photo: Nicholas Wightman
Mutinondo Wilderness Lodge, beside the airstrip runway (Mpika Distr., Muchinga Province)

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms: Disa leopoldii Kraenzl.
Disa princeae Kraenzl.
Disa zombaensis Rendle
Common names:
Status: Native
Terrestrial herb growing from testicular tubers with separate fertile and sterile shoots; sterile shoot up to 14 cm tall, leaves 1-4, erect, conduplicate, to 15 x 30 cm, elliptic to oblanceolate, acute; fertile shoot 60-100 cm tall, cauline leaves mostly sheathing with small free blades; inflorescence 15-25 cm, 15-30 flowered, ovary and pedicel 1.5-2.5 cm long, bracts 2.5-4.5 cm long, lanceolate, acute to acuminate, overtopping flowers; flowers borne horizontally, mauve to purple, galea spotted; dorsal sepal galeate, galea rounded, erect 12-18 mm long, 8-15 mm wide, 12-16 mm deep; spur borne horizontally from broad conical base, 12-17 mm long, decurved; lateral sepals suboblique, 13-20 mm long, oblong, subacute to rounded; petals 15-18 mm long, narrowly lanceolate, acute, erect; lip 11-15 mm long, linear, rounded or truncate; anther 5-6 mm long; stigma subsessile
Derivation of specific name:
Habitat: In semishaded damp places in Brachystegia woodland and secondary submontane grassland.
Altitude range: (metres) 1000 - 2300 m
Flowering time:Dec - Feb
Worldwide distribution: DRC to Tanzania south through Zambia and Malawi to Zimbabwe
Zimbabwe distribution: N,C,E
Growth form(s): Terrestrial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Fibeck, W. & Dare, M. (1993). Terrestrial Orchids in Zimbabwe. Excelsa 16 Page 57.

Grosvenor, R.K. (1976). A list of orchids indigenous in Rhodesia. Excelsa 6 Page 80.

La Croix, I. & Cribb, P.J. (1995). Orchidaceae (Part 1) Flora Zambesiaca 11(1) Pages 181 - 184. (Includes a picture).

La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 124.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 95.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 119.

Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 86 - 87. (Includes a picture).

Other sources of information about Disa walleri:

Our websites:

Flora of Caprivi: cultivated Disa walleri
Flora of Malawi: Disa walleri
Flora of Zambia: Disa walleri

External websites:

African Plants: A Photo Guide (Senckenberg): Disa walleri
African Plant Database: Disa walleri
BHL (Biodiversity Heritage Library): Disa walleri
EOL (Encyclopedia of Life): Disa walleri
GBIF (Global Biodiversity Information Facility): Disa walleri
Google: Web - Images - Scholar
iNaturalist: Disa walleri
IPNI (International Plant Names Index): Disa walleri
JSTOR Plant Science: Disa walleri
Mansfeld World Database of Agricultural and Horticultural Crops: Disa walleri
Plants of the World Online: Disa walleri
Tropicos: Disa walleri
Wikipedia: Disa walleri

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Species information: Disa walleri.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=117430, retrieved 20 May 2024

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