Senna siamea (Lam.) H.S. Irwin & Barneby

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Senna siamea

Photo: Bart Wursten
Chitengo Camp, Gorongosa National Park

Senna siamea

Photo: Bart Wursten
Chitengo Camp, Gorongosa National Park

Senna siamea

Photo: Bart Wursten
Chitengo Camp, Gorongosa National Park

Senna siamea

Photo: Bart Wursten
Chitengo Camp, Gorongosa National Park

Senna siamea

Photo: Sune Holt
Vilankulo, Inhambane, Mozambique

Senna siamea

Photo: Sune Holt
Vilankulo, Inhambane, Mozambique

Senna siamea

Photo: Sune Holt
Vilankulo, Inhambane, Mozambique

Senna siamea

Photo: Sune Holt
Vilankulo, Inhambane, Mozambique

Senna siamea

Photo: Sune Holt
Vilankulo, Inhambane, Mozambique

Senna siamea

Photo: Sune Holt
Vilankulo, Inhambane, Mozambique

Senna siamea

Photo: Sune Holt
Vilankulo, Inhambane, Mozambique

Senna siamea

Photo: Sune Holt
Vilankulo, Inhambane, Mozambique

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

Synonyms: Cassia siamea Lam.
Common names: Kassod tree (English) Siamese cassia (English) Siamese senna (English)
Description: Small to medium-sized tree; bark smooth, grey. Leaves paripinnate, 7.5–23 cm long; leaflets in 6–12 pairs, elliptic to oblong, 2.4–6.8 cm long, shortly mucronate at the tip, sparsely appressed-pubescent beneath, marginal nerve prominent; petiolules 2–3 mm long; petiole 2–4.2 cm long, pubescent. Inflorescences in branched terminal heads; pedicels 2.5–3.5 cm long. Sepals 5, broadly ovate, two c. 5 mm long, three c. 10 mm long, hairless to sparsely puberulous. Petals yellow, broadly obovate, c.12 mm long. Stamens 10. Pods linear, 15–23 cm long, hairless, slowly dehiscent along both sutures.
Notes: Commonly planted as an ornamental tree and occasionally escaping. It is known to have become naturalized particularly around Chitengo Camp in Gorongosa National Park.
Derivation of specific name: siamea: of Siam (Thailand)
Flowering time:
Worldwide distribution: Native to Laos, Myanmar, Sri Lanka, Thailand and Vietnam
Growth form(s): Tree.
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Monday 23 February 2015
Literature:

Brummitt, R.K., Chikuni, A.C., Lock, J.M. & Polhill, R.M. (2007). Leguminosae Subfamily Caesalpinioideae Flora Zambesiaca 3(2) Page 148.

Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 266. (Includes a picture).

Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 150.

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 44.

Other sources of information about Senna siamea:

Our websites:

Flora of Malawi: cultivated Senna siamea
Flora of Mozambique: Senna siamea
Flora of Zambia: cultivated Senna siamea
Flora of Zimbabwe: Senna siamea
Flora of Zimbabwe: cultivated Senna siamea

External websites:

African Plants: A Photo Guide (Senckenberg): Senna siamea
BHL (Biodiversity Heritage Library): Senna siamea
EOL (Encyclopedia of Life): Senna siamea
ePIC (electronic Plant Information Center): Senna siamea
Flora Zambesiaca web site: Senna siamea
GBIF (Global Biodiversity Information Facility): Senna siamea
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Senna siamea
iNaturalist: Senna siamea
IPNI (International Plant Names Index): Senna siamea
JSTOR Plant Science: Senna siamea
Kew Herbarium catalogue: Senna siamea
Mansfeld World Database of Agricultural and Horticultural Crops: Senna siamea
Plants of the World Online: Senna siamea
Tropicos: Senna siamea
Wikipedia: Senna siamea


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-21

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2021). Flora of Mozambique: Cultivated Plants: Species information: Senna siamea.
https://www.mozambiqueflora.com/cult/species.php?species_id=127140, retrieved 7 May 2021

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