Canthium glaucum Hiern
subsp. frangula (S. Moore) Bridson[Agg]

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Canthium glaucum subsp. frangula

Photo: Bart Wursten
Mana Pools, by main road to camp

Canthium glaucum subsp. frangula

Photo: Bart Wursten
Mana Pools, by main road to camp

Canthium glaucum subsp. frangula

Photo: Bart Wursten
Mana Pools, by main road to camp

Canthium glaucum subsp. frangula

Photo: Bart Wursten
Mana Pools, by main road to camp

Canthium glaucum subsp. frangula

Photo: Bart Wursten
Near the Hide, Hippo Pools

Canthium glaucum subsp. frangula

Photo: Bart Wursten
Near the Hide, Hippo Pools

Canthium glaucum subsp. frangula

Photo: Bart Wursten
Near the Hide, Hippo Pools

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

Synonyms: Canthium frangula S. Moore
Common names: Pink-fruit canthium (English) Pink-fruit turkey-berry (English)
Frequency:
Status:
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 (see note); 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: within subsp. frangula 2 varieties are recognized. Var. frangula is more widespread is mostly hairless while var. pubescens Bridson is very much restricted to jesse bush and mopane woodland of the Zambezi Valley in Zimbabwe and Zambia. It is distinguished by the leaves being densely pubescent on both surfaces and also pubescent calyx and corolla.
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: (metres) 370 - 1380 m
Flowering time:Nov - Jan
Worldwide distribution: Botswana, Caprivi-Namibia, Malawi, Mozambique, Zambia and Zimbabwe (see note).
Zimbabwe distribution: N,W,C,E,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Sunday 15 November 2015
Literature:

Bridson, D.M. (1998). Rubiaceae, Part 2 Flora Zambesiaca 5(2) Pages 317 - 319. (Includes a picture).

Coates Palgrave K. (revised and updated by Meg Coates Palgrave) (2002). Trees of Southern Africa 3rd edition. Struik, South Africa Pages 1088 - 1089.

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.

Van Wyk, B. & Van Wyk, P. (1997). Field Guide to Trees of Southern Africa. Struik, South Africa Pages 260 - 261. (Includes a picture).


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Other sources of information about Canthium glaucum subsp. frangula:

Our websites:

Flora of Zambia: Canthium glaucum subsp. frangula

External websites:

African Plants: A Photo Guide (Senckenberg): Canthium glaucum
African Plant Database: Canthium glaucum
Biodiversity Explorer (Biodiversity of southern Africa): Canthium glaucum
BHL (Biodiversity Heritage Library): Canthium glaucum
EOL (Encyclopedia of Life): Canthium glaucum
ePIC (electronic Plant Information Center): Canthium glaucum
Flora Zambesiaca web site: Canthium glaucum
GBIF (Global Biodiversity Information Facility): Canthium glaucum
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Canthium glaucum
IPNI (International Plant Names Index): Canthium glaucum
Ispot Southern Africa: Canthium glaucum
JSTOR Plant Science: Canthium glaucum
Kew Herbarium catalogue: Canthium glaucum
Mansfeld World Database of Agricultural and Horticultural Crops: Canthium glaucum
The Plant List (version 1.1): Canthium glaucum
Tropicos: Canthium glaucum


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-17

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2017). Flora of Zimbabwe: Species information: Canthium glaucum subsp. frangula.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=163870, retrieved 20 September 2017

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