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Synonyms: |
Bonatea kayseri (Kraenzl.) Rolfe Bonatea ugandae Summerh. Habenaria ecaudata Kraenzl. Habenaria kayseri Kraenzl. Habenaria steudneri Rchb. f. |
Common names: | |
Frequency: | Locally frequent |
Status: | Native |
Description: |
Robust terrestrial, up to c. 110 cm tall, growing from hairy, thick and fleshy, tuberous roots. Leaves along the stem, not overlapping, ovate, up to 12.5 × 4.5 cm, base clasping the stem. Inflorescence fairly laxly, up to 30-flowered. Bracts membranous, ovate, c. 4 cm long. Flowers green, white in the centre. Dorsal sepal erect, ovate, c. 23 × 25 mm, forming a hood. Lateral sepals deflexed, broadly lanceolate, c.25 mm long. Petals 2-lobed almost to the base; upper lobe 21-24 mm long, linear, adnate to the dorsal sepal; lower lobe 50-70 mm long, linear-filiform, first adnate to the lip, then curving down and outwards. Lip 3-lobed in the apical part; mid-lobe linear, 20-37 mm long, decurved; side lobes narrowly linear, spreading, 25-85 mm long. Spur 10-21 cm long, pendent, slightly swollen at the apex. |
Notes: | |
Derivation of specific name: | steudneri: after Dr. Hermann Steudner (1832-1863), German physician, botanist, explorer, and plant collector who worked in Ethiopia and Eritrea. |
Habitat: | In dry woodland and scrub. |
Altitude range: (metres) | 900 - 1410 m |
Flowering time: | Feb - Apr |
Worldwide distribution: | DRC, Rwanda, Uganda, Ethiopia, Somalia, Kenya, Tanzania, Zambia, Zimbabwe, Caprivi-Namibia and Kwazulu-Natal South Africa. Also in Saudi Arabia and Yemen. |
Zimbabwe distribution: | W,C,E,S |
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: | Wednesday 10 April 2013 |
Literature: |
Ball, J.S. (2009). Terrestrial African Orchids, A Selected Review. Pages 8 - 9. (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 9. Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 6. Fibeck, W. & Dare, M. (1993). Terrestrial Orchids in Zimbabwe. Excelsa 16 Page 54. Fischer, E., Killmann, D., Delepierre, G. & Lebel, J-P. (2010). The Orchids of Rwanda Koblenz Geographical Colloquia Series Biogeographical Monographs 2 Pages 112 - 113. (Includes a picture). Golding, J.S. (ed.) (2002). Namibia Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 71. Grosvenor, R.K. (1976). A list of orchids indigenous in Rhodesia. Excelsa 6 Page 78. Johnson, S., Bytebier, B, & Stärker H. (2015). Orchids of South Africa, a Field Guide Struik Nature, Cape Town South Africa Page 67. (Includes a picture). La Croix, I. & Cribb, P.J. (1995). Orchidaceae (Part 1) Flora Zambesiaca 11(1) Pages 43 - 45. (Includes a picture). Linder, H.P. & Kurzweil, H. (1999). Orchids of Southern Africa A.A. Balkema, Rotterdam, the Netherlands ISBN 90-5410-445-7 Page 143. 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 94. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 117. Schelpe, E.A.C.L.E. (1976). A Provisional Checklist of the Orchidaceae of Mozambique South African Journal of Botany 42(4) Page 390. Stewart, J. & Campbell, B. (1996). Orchids of Kenya Timber Press Inc, Portland Oregon, USA ISBN0-88192-357-5 Pages 93 - 94. (Includes a picture). Summerhayes, V.S. (1964). African orchids XXIX Kew Bulletin 17(3) Page 532. Summerhayes, V.S. (1968). Orchidaceae (Part 1) Flora of Tropical East Africa Pages 137 - 138. (Includes a picture). Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 68 - 69. (Includes a picture). |
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