Flowerheads are 1-6 flowered racemes in the leaf axils. Flowers are about 1cm long and yellow with purple streaks on the back. Flowering is from late spring to autumn.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/73840284@N04">Harry Rose</a> from South West Rocks, Australia
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/macleaygrassman/11396482114/">Sesbania cannabina flowerhead3</a>