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Disa welwitschii
welwitschii
Selected images: Click on each image to see a larger version and details of the record View all images (8)
Photo: Alan Gardiner
Higher slopes at the base of Mt Namuli peak.
Photo: Alan Gardiner
Higher slopes at the base of Mt Namuli peak.
Photo: Alan Gardiner
Higher slopes at the base of Mt Namuli peak.
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Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| Synonyms: |
Disa breyeri Schltr. Disa calophylla Kraenzl. Disa hyacintina Kraenzl. Disa ignea Kraenzl. |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
Terrestrial herb, 20-100 cm tall. Leaves 2-4 on a separate sterile shoot,semi-erect, linear-elliptic, 10-30 cm long, folded along the length, basal sheath often blotched with red. Leaves along the fertile shoot, lanceolate, 3-10 cm long, lanceolate, mostly sheathing, the basal 2 reduced to short sheaths blotched with red. Inflorescence 3-14 cm long, densely 20-100-flowered; bracts inconspicuous, as long as the ovaries or longer at the base of the inflorescence. Flowers bright orange-red to carmine. Dorsal sepal erect, forming a narrowly oblong to lanceolate hood, 4.5-11 mm long, with pendent spur, 3.5-6 mm long. Lateral sepals 5-9 mm long, obliquely oblong-ovate. Petals 2-lobed, anterior lobe 3-8 mm long, ovate, spreading, the upper margin incurved; posterior lobe c. one third longer than anterior lobe, ovate-lanceolate, often truncate. Lip pendent, linear, 4-12 mm long. |
| Notes: | |
| Derivation of specific name: | welwitschii: named after the Austrian botanist, Friedrich Martin Welwitsch (1806-1872). |
| Habitat: | |
| Altitude range: | |
| Flowering time: | Dec - Mar(Apr) |
| Worldwide distribution: | Tanzania, Malawi, Mozambique, Zambia, Zimbabwe, Eswatini, Lesotho and South Africa. |
| Malawi distribution: | N,C,S |
| Growth form(s): | Terrestrial. |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 322. (Includes a picture). Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 128. 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. as Disa welwitschii La Croix, I. & Cribb, P.J. (1995). Orchidaceae (Part 1) Flora Zambesiaca 11(1) Page 164. La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Pages 114 - 115. (Includes a picture). Linder, H.P. (1981). Taxonomic studies in the Disinae (Orchidaceae): IV A revision of Disa Berg. sect. Micranthae Lindl. Bulletin du Jardin Botanique National de Belgique 51(3/4) Pages 301 - 306. (Includes a picture). 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. McMurtry, D., Grobler, L., Grobler, J. & Burns, S. (2008). Field Guide to the ORCHIDS of Northern South Africa and Swaziland Umdaus Press, PO Box 11059 Hatfield 0028 South Africa Pages 196 - 197. (Includes a picture). Moriarty, A. (1975). Wild Flowers of Malawi Purnell & sons Cape Town. Pages 49 - 50. as Disa welwitschii (Includes a picture). Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 119. Schelpe, E.A.C.L.E. (1976). A Provisional Checklist of the Orchidaceae of Mozambique South African Journal of Botany 42(4) Page 390. Summerhayes, V.S. (1964). African orchids XXIX Kew Bulletin 17(3) Pages 543 - 545. as Disa welwitschii |
Other sources of information about Disa welwitschii subsp. welwitschii:
Our websites:
Flora of Mozambique: Disa welwitschii subsp. welwitschiiFlora of Zambia: Disa welwitschii subsp. welwitschii
Flora of Zimbabwe: Disa welwitschii subsp. welwitschii
External websites:
African Plants: A Photo Guide (Senckenberg): Disa welwitschiiAfrican Plant Database: Disa welwitschii
BHL (Biodiversity Heritage Library): Disa welwitschii
EOL (Encyclopedia of Life): Disa welwitschii
GBIF (Global Biodiversity Information Facility): Disa welwitschii
Google: Web - Images - Scholar
iNaturalist: Disa welwitschii
IPNI (International Plant Names Index): Disa welwitschii
JSTOR Plant Science: Disa welwitschii
Mansfeld World Database of Agricultural and Horticultural Crops: Disa welwitschii
Plants of the World Online: Disa welwitschii
Tropicos: Disa welwitschii
Wikipedia: Disa welwitschii
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