Senna holosericea's flowers are yellow in long axillary, it has five petals and its pods are oblong.
Flowers are yellow in long axillary and terminal racemes. Has five petals, and ten stamens, anthers unequal in size: 2 large, 7mm long; 5 medium sized, 23 mm long and 3 small, 1mm long. Has pods that are oblong, slightly curved and conspicuously hairy. 
