3536.020 Senna Mill.

CASSIA L. p.p.

Description of the genus

Unarmed trees, shrubs, subshrubs or herbs. Leaves paripinnate, often with spherical to clavate or cylindric glands on petiole and/or rhachis. Flowers in racemes; pedicels without bracteoles. Sepals 5. Petals 5, yellow. Stamens usually 10; filaments straight, shorter than or not over twice as long as the basifixed anthers. Pods (in ours) shorter than in Cassia, i.e. less than 30 cm, terete or flattened, indehiscent or tardily dehiscent, valves not twisting.

Worldwide: c.240 species, pantropical, most numerous in the New World

Zambia: 4 cultivated taxa.

Insects associated with this genus:
Rhodogastria amasis (Tri-coloured tiger) Food plant
No image yet

Links to cultivated taxa    View: living plant images - herbarium specimen images - all images for this genus

SpeciesContent
bicapsularis (L.) Roxb.Description, Image
septemtrionalis (Viv.) H.S. Irwin & BarnebyDescription, Image
siamea (Lam.) H.S. Irwin & BarnebyDescription, Image
spectabilis (DC.) H.S. Irwin & BarnebyImage

Other sources of information about Senna:

External websites:

African Plants: A Photo Guide (Senckenberg): Senna
BHL (Biodiversity Heritage Library): Senna
EOL (Encyclopedia of Life): Senna
GBIF (Global Biodiversity Information Facility): Senna
Google: Web - Images - Scholar
iNaturalist: Senna
IPNI (International Plant Names Index): Senna
JSTOR Plant Science: Senna
Mansfeld World Database of Agricultural and Horticultural Crops: Senna
Plants of the World Online: Senna
Tropicos: Senna
Wikipedia: Senna

Copyright: Mike Bingham, Annette Willemen, Nicholas Wightman, Bart Wursten, Petra Ballings and Mark Hyde, 2011-25

Bingham, M.G., Willemen, A., Wightman, N., Wursten, B.T., Ballings, P. and Hyde, M.A. (2025). Flora of Zambia: Cultivated plants: genus page: Senna.
https://www.zambiaflora.com/cult/genus.php?genus_id=695, retrieved 2 April 2025

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