Claim: Senna holosericea's flowers are yellow in long axillary, it has five petals and its pods are oblong.
Evidence: 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, 2–3 mm long and 3 small, 1mm long. Has pods that are oblong, slightly curved and conspicuously hairy.