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

Zimbabwe: 12 taxa.

Insects associated with this genus:
Rhodogastria amasis (Tri-coloured tiger) Food plant
Senna singueana

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

SpeciesFZ divisionsContent
bicapsularis (L.) Roxb.N,C,E,SDescription, Image
didymobotrya (Fresen.) H.S. Irwin & BarnebyN,W,C,E,SDescription, Image
hirsuta (L.) H.S. Irwin & BarnebyEDescription, Image
italica Mill. subsp. arachoides (Burch.) LockW,SDescription, Image
italica Mill. subsp. micrantha (Brenan) LockW,C,S
obtusifolia (L.) H.S. Irwin & BarnebyN,W,C,E,SDescription, Image
occidentalis (L.) LinkN,W,C,E,SDescription, Image
pendula (Willd.) H.S. Irwin & Barneby var. glabrata (Vogel) H.S. Irwin & BarnebyN,C,EDescription, Image
petersiana (Bolle) LockN,C,E,SDescription, Image
septemtrionalis (Viv.) H.S. Irwin & BarnebyW,C,E,SDescription, Image
siamea (Lam.) H.S. Irwin & BarnebyWDescription, Image
singueana (Delile) LockN,W,C,E,SDescription, Image

Other sources of information about Senna:

Our websites:

Flora of Botswana: Senna
Flora of Caprivi: Senna
Flora of Caprivi: cultivated Senna
Flora of Malawi: Senna
Flora of Malawi: cultivated Senna
Flora of Mozambique: Senna
Flora of Mozambique: cultivated Senna
Flora of Zambia: Senna
Flora of Zambia: cultivated Senna
Flora of Zimbabwe: cultivated 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: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Genus page: Senna.
https://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=695, retrieved 19 March 2024

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