Cassia angolensis Hiern

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Cassia angolensis

Lusaka NE 25km, Hummels Farm
Sep 1990
Photo: Mike Bingham

Cassia angolensis

Lusaka NE 25km, Hummels Farm
Apr 1992
Photo: Mike Bingham

Cassia angolensis

Chisamba;
Oct 2003
Photo: Mike Bingham

Cassia angolensis

Lusaka, cultivated;
Sep 2015
Photo: Mike Bingham

Cassia angolensis

Lusaka, cultivated;
Sep 2015
Photo: Mike Bingham

Cassia angolensis

Lusaka, cultivated;
Sep 2015
Photo: Mike Bingham

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

Synonyms:
Common names:
Frequency: Rare
Status: Native
Description:
A small tree, but reaching 20 m elsewhere, semi-evergreen. Bark smooth. Leaves paripinnate. Flowers in axillary and terminal racemes, appearing with the new foliage. Pods black or dark brown, up to 70 cm long, rigid, snapping into cylindrical sections when pressure is applied, falling when mature. The seeds in individual compartments, surrounded by dry pulp, rattling when the mature pod is shaken.
Type location:
Angola
Notes: Conservation status: A rare species though widespread, probably overlooked and mistaken for Cassia abbreviata. The well-known trees no longer exist, having made way for road widening (Pemba) or cropping (Chongwe). There are, however, a few trees in cultivation.
The key in FZ distinguishes this species from C. abbreviata by “seed not enclosed by pulp.” Whatever the appropriate term for the edible stuff surrounding the seed, it is essentially similar to that of Piliostigma thonningii, the seeds of which are described as “embedded in pulp” (commonly known as 'monkey bread'). The pod of C. angolensis resembles that of P. thonningii in falling when mature, and with the seeds rattling when the pod is shaken. These are typical features of herbivore dispersal. C. abbreviata, which is adapted to bird dispersal, has sticky pulp, and the pods do not fall at maturity.
Derivation of specific name:
Habitat: Deciduous thicket
Altitude range: 850 - 1500 m
Flowering time:Aug - Sep
Worldwide distribution: Zambia, Mozambique, Malawi, Angola, Botswana, Namibia
Zambian distribution (Flora Zambesiaca): C,S
Zambian distribution (Provinces): Lp,C,Lk,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Saturday 21 September 2013
Literature:

Brummitt, R.K., Chikuni, A.C., Lock, J.M. & Polhill, R.M. (2007). Leguminosae Subfamily Caesalpinioideae Flora Zambesiaca 3(2) Pages 164 - 165.

Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 250. As Cassia angolense (Includes a picture).

Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 91.

Other sources of information about Cassia angolensis:

Our websites:

Flora of Malawi: Cassia angolensis
Flora of Mozambique: Cassia angolensis

External websites:

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


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-18

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2018). Flora of Zambia: Species information: Cassia angolensis.
https://www.zambiaflora.com/speciesdata/species.php?species_id=180010, retrieved 11 December 2018

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