|Synonym:||Bactyrilobium fistula Wild.|
|Local Names:||Kannikonna, Golden shower, Indian laburnum|
Flowering and fruiting period: February – September
Key Characters: Cassia fistula is an deciduous trees with surface pale when young, dark grey when old, smooth, exfoliating in hard scales. Leaves paripinnate, alternate, leaflets opposite, ovate, margin entire, pulvinate. Flowers bisexual, yellow, in axillary drooping racemes. Calyx tube short, lobes 5, ovate. Petals 5, obovate. Stamens 10, all fertile; upper 3 short with erect filaments; anthers basifixed; lower 3 large with curved filaments, anthers dorsifixed. Ovary half inferior, ovules many; stigma punctiform. Fruit a pod.