The image to your remaining suggests typical sources nodules, this type of from bur clover (Medicago)
The image to your remaining suggests typical sources nodules, this type of from bur clover (Medicago) In a symbiotic relationship with the soil bacteria known as ‘rhizobia’, legumes form nodules on their roots (or stems, see figure below) to ‘fix’ nitrogen into a form usable by plants (and animals). The process of biological nitrogen fixation …
