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Cassia sieberiana - DC.

Common Name West African Laburnum
Family Fabaceae
USDA hardiness 10-12
Known Hazards The roots and seeds are used as fish poison in Cote d'Ivoire and Nigeria[ 299 ].
Habitats Wooded grassland and savannah; secondary bush; lateritic soils; roadsides; gravel and concrete colluvium with clay; gallery forest; wet sites in short and long grass savannah; thickets; secondary (closed) forest; coastal scrub; sandstone plateaux[ 774 ].
Range E. Asia - Bangladesh, Myanmar, Thailand, Vietnam, Malaysia, Indonesia, Philippines, Australia and the Pacific Islands.
Edibility Rating    (1 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (4 of 5)
Care
Tender Well drained soil Moist Soil Full sun
Cassia sieberiana West African Laburnum


© Oumarou Quédraogo
Cassia sieberiana West African Laburnum
Didier Descouens wikimedia.org

 

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Summary

West African Laburnum, Cassia sieberiana, is a tropical, deciduous small tree of about 10-20 m tall with dark grey and wrinkled bark. It is characterized by its bright yellow and attractive flowers that form into groups and are upright or hanging. The plant has several medicinal functions. It is used as a purgative and diuretic. When powdered, different plant parts is used as relief from toothache; and for skin diseases when mixed with butter. Stomach pains, ulcers, diarrhoea, malaria, fever, burns gonorrhoea, etc. can also be treated using different forms of different plant parts of West African laburnum. The wood of the roots is used as chewsticks and the wood as material in making furniture or as construction material, and for fuel.


Physical Characteristics

 icon of manicon of lolypop
Cassia sieberiana is a deciduous Tree growing to 15 m (49ft) by 15 m (49ft) at a medium rate.
It is hardy to zone (UK) 10. The flowers are pollinated by Insects.
It can fix Nitrogen.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in very acid soils.
It cannot grow in the shade. It prefers dry or moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Cassia kotschyana Oliv.

Habitats

Edible Uses

Edible portion: Leaves, Stems. The sweet extract from the stems is eaten. Chew sticks can also be made from the root-wood part of the plant.

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


The leaves, roots and pods are widely used in traditional medicine[ 299 ]. There has been some research into the medically active substances in the plant and several compounds have been identified including calcium oxalate, flavones), an anthraquinone and tannins[ 299 ]. The purgative action of the plant can be ascribed to the anthraquinones. The flavones cause diuresis and have antibacterial and anti-inflammatory activity. An assay for antiviral activity against Herpes simplex virus type 1 showed that extracts had a significant activity against this virus[ 299 ]. Leaf extracts were found to be active against Staphylococcus lutea, Mycobacterium phlei, Bacillus subtilis and Proteus sp., but not against Staphylococcus albus, Pseudomonas aeruginosa or Escherichia coli[ 299 ]. The entire plant is purgative and diuretic. An infusion is given against all children?s diseases[ 299 ]. Powder of different plant parts is applied to teeth to cure toothache; when mixed with butter it is used to treat skin diseases[ 299 ]. An infusion of the leaves sweetened with honey is taken against stomach-ache, ulcers and diarrhoea[ 299 ]. A steam bath of leafy twigs boiled in water is prescribed to help against malaria attacks and fever; the liquid should also be drunk[ 299 ]. Boiled and squeezed fresh leaves are applied as poultice in pleurisy or burns[ 299 ]. Gonorrhoea in women is treated by taking leaf powder with food[ 299 ]. The twigs are used to treat sleeping sickness[ 299 ]. The roots, boiled in water, are used to treat haemorrhoids, bilharzia, leprosy, dropsy and bloody dysentery[ 299 ]. In large doses it is used to treat intestinal worms including tapeworms, although this is risky[ 299 ]. A pinch of powdered dried decorticated roots, taken at the end of each meal, is said to prevent malaria[ 299 ]. After soaking the roots in water, the liquid is used for a bath against tiredness and for body massage[ 299 ]. Crushed roots are rubbed on the temples to treat headache[ 299 ]. An infusion of the root bark is employed against venereal diseases, sterility and dysmenorrhoea[ 299 ]. Capsules made from the root bark are prescribed against Aids[ 299 ]. The yellow pulp around the seeds and an infusion of the pods is taken as a laxative[ 299 ].

Other Uses

Other uses rating: Low (2/5). An ornamental tree with brightly colored attractive flowers. Agroforestry Uses: The tree is sometimes planted in shelterbelts[ 774 ]. Other Uses: The root wood is used as chewsticks[ 299 ]. The heartwood is white or yellowish-pinkish, darkening to dark red upon exposure. It is finely textured, heavy, very hard, resistant to termites and difficult to work[ 299 , 774 ]. It is suitable for making furniture, cabinet work, tools, construction and railway sleepers[ 299 , 774 ]. The wood is used for fuel, but it is considered inferior because it produces a lot of smoke[ 299 ].

Cultivation details

A tropical plant. A plant of drier areas of the tropics, thriving best in savannah areas with an annual rainfall of 800mm or less[ 299 ]. Prefers a deep, well-drained, moderately fertile sandy loam and a position in full sun[ 200 ]. Plants grow best in an acid, sandy soil[ 299 ]. The plant responds well to coppicing[ 774 ]. The tree is one of the constituents of the vegetation of fallow fields in the Sahel, but unlike some species, such as the African locust bean (Parkia biglobosa), and shea butter tree (Vitellaria paradoxa), it is eradicated during clearing[ 299 ]. Although it is a legume, the roots of this species lack nodulating ability and do not fix atmospheric nitrogen[ 299 ].

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Propagation

Seed - when fresh seed is sown there is almost 100% germination[ 299 ]. Older seed needs to be treated before sowing by soaking in warm water for 12 - 24 hours or by sulphuric acid stratification[ 299 ]. Passage of seeds through cattle intestines also hastens germination[ 299 ]. Marcotting and side-grafting are feasible for vegetative multiplication.

Other Names

If available other names are mentioned here

West African Laburnum, Cassia sieberiana. Other Names: Bentape, Betame, Bissindje, Bussindja, Canafistra, Canafistula, Caquecequece, Kiskatigrai, Marga, N'tame, P'fonante, Sama-sidjam, Samba-cintrao, Samba-sinhangho, Samba-sinjandje, Sambassinhague, Sambassinhame, Sambisinhanha, Sandjone, Sanfone, Sanjoue, Sindjam-o, Untame.

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

None Known

Conservation Status

IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed.

Related Plants
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Cassia leiandraMarimari40
Chamaecrista fasciculataGolden Cassia, Partridge pea00
Chamaecrista rotundifoliaRound-leaf cassia00
Senna auriculataMatara Tea. Tanner's cassia23
Senna singueanaWinter cassia, Sticky pod23
Senna toraStinking Cassia, Sickle senna13

 

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