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Synonyms: |
Disa hamatopetala Rendle Herschelia bachmanniana Kraenzl. Herschelia baurii (Bolus) Kraenzl. Herschelia hamatopetala (Rendle) Kraenzl. Herschelianthe bachmanniana (Kraenzl.) Rauschert Herschelianthe baurii (Bolus) Rauschert Herschelianthe hamatopetala (Rendle) Rauschert |
Common names: | Blue disa (English) |
Frequency: | |
Status: | Native |
Description: |
Terrestrial herb, 20-40 cm tall. Leaves basal from the flowering shoot, usually produced after flowering 5-10, narrowly linear, stiff and grass-like, up to 30 × 2 cm. leaves along the flowering stem few, 1.5-2.5 cm long completely sheathing. Inflorescence lax, 2-14-flowered, bracts, ovate, dry, rarely as long as the flowers. Flowers sky blue to purple-blue, often with a darker lip. Dorsal sepal broadly ovate, 10-20 mm long with an upcurved spur, 4-6 mm long. Lateral sepals deflexed, oblong, 10-18 mm long. Petals 2-lobed at the apex, lying inside the dorsal sepal. Lip 10-25 mm long, pointing forward, more or less broadly ovate, conspicuously fimbriate. |
Notes: | |
Derivation of specific name: | baurii: named after L.R. Baur (1825 - 1889), German apothecary from the Eastern Cape, South Africa. |
Habitat: | In montane grassland. |
Altitude range: (metres) | Above 1000 m |
Flowering time: | Aug - Oct (rarely also Apr - Jun) |
Worldwide distribution: | DRC, southern Tanzania, Malawi, Mozambique, Zambia, Zimbabwe and South Africa |
Zimbabwe distribution: | E |
Growth form(s): | Terrestrial. |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Images last updated: | Saturday 30 January 2010 |
Literature: |
Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 226 - 227. (Includes a picture). Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 318. 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 66. as Herschelianthe baurii Fischer, E., Killmann, D., Delepierre, G. & Lebel, J-P. (2010). The Orchids of Rwanda Koblenz Geographical Colloquia Series Biogeographical Monographs 2 Page 176. (Includes a picture). Grosvenor, R.K. (1976). A list of orchids indigenous in Rhodesia. Excelsa 6 Page 80. as Disa hamatopetala La Croix, I. & Cribb, P.J. (1995). Orchidaceae (Part 1) Flora Zambesiaca 11(1) Pages 195 - 196. as Herschelianthe baurii (Includes a picture). La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Pages 126 - 127. as Herschelianthe baurii (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 176 - 177. (Includes a picture). Moriarty, A. (1975). Wild Flowers of Malawi Purnell & sons Cape Town. Pages 49 - 50. as Disa hamatopetala (Includes a picture). Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 118. Schelpe, E.A.C.L.E. (1976). A Provisional Checklist of the Orchidaceae of Mozambique South African Journal of Botany 42(4) Page 390. as Disa hamatopetala Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 134. Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 89 - 90. as Disa hamatopetala (Includes a picture). Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 84. |
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