Home | > | List of families | > | Rubiaceae | > | Canthium | > | glaucum |
Synonyms: |
Canthium frangula S. Moore |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
Multi-stemmed shrub or small tree up to c. 5 m tall. Branches lenticilate, armed with opposite spines up to 2 cm long. Leaves clustered on dwarf spur-branchlets just below the spines, more or less narrowly elliptic, 2.4-6 cm long, usually hairless and green above, much paler and sometimes sparsely pubescent on the veins beneath; hairtuft domatia present; petiole 1-1.6 mm long. Stipules triangular, 1-4 mm long, pubescent on the inside. Flowers in 2-8-flowered clusters, small, whitish or creamy-green. Fruit square in outline, 9-12 mm long, pale red, edible. |
Notes: | |
Derivation of specific name: | glaucum: bluish-green, glaucous |
Habitat: | In mopane or Brachystegia woodland riverine thickets, jesse bush, both on Kalahari sand and clay soils, often on termite mounds and sometimes on rocky outcrops. |
Altitude range: | 370 - 1380 m |
Flowering time: | Nov - Jan |
Worldwide distribution: | Botswana, Caprivi-Namibia, Malawi, Mozambique, Zambia and Zimbabwe. |
Mozambique distribution: | N,T,MS |
Growth form(s): | |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Literature: |
Bridson, D.M. (1998). Rubiaceae, Part 2 Flora Zambesiaca 5(2) Pages 317 - 318. (Includes a picture). Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 917. As Canthium glaucum frangula (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 11. Coates Palgrave, K. (revised and updated by Meg Coates Palgrave) (2002). Trees of Southern Africa 3rd edition. Struik, South Africa Pages 1088 - 1089. Curtis, B.A. & Mannheimer, C.A. (2005). Tree Atlas of Namibia National Botanic Research Institute, Windhoek Page 620. as Canthium glaucum Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 276. As Canthium frangula 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 71. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 87. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 96. Van Wyk, B. & Van Wyk, P. (1997). Field Guide to Trees of Southern Africa. Struik, South Africa Pages 260 - 261. (Includes a picture). Van Wyk, B. & Van Wyk, P. (2013). Field Guide to Trees of Southern Africa (Second edition) Struik, South Africa Pages 306 - 307. (Includes a picture). |
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