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Genus Cassia Family Fabaceae
Subfamily Caesalpinioideae

Description: Small trees and tall shrubs, unarmed; root nodules absent.

Leaves alternate, paripinnate; pinnae 3–25 pairs, elliptic to obovate, glands absent from rachis.

Inflorescences terminal, racemose, erect or pendent. Sepals 5, subequal, green or yellowish. Petals 5 usually yellow, rarely pink or reddish. Stamens 10; anthers versatile, (3 upper reduced to staminodes, 4 lateral fertile and anthers with basal pores and on short filaments, 3 lower fertile and anthers with both basal and terminal pores and on very elongate S-curved filaments which often have a fleshy node near the middle).

Fruit a cylindrical woody pod, indehiscent, with transverse septae between the seeds.


Photo © ANBG

Distribution and occurrence: World: c. 30 species, tropical America, Africa, Asia & Australia. Australia: 2 species (endemic), Qld & N.S.W.

Cassia fistula (Golden Shower, Pudding-pipe Tree) is grown as a street tree in subtropical areas of Aust. Senna and Chamaecrista were previously included in this genus.

Text by B. R. Randell
Taxon concept:

One species in NSW: Cassia marksiana

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