Coronilla

: Most species have delicate-looking, odd-pinnate leaves with multiple leaflets.

: Like many legumes, Coronilla species have a symbiotic relationship with soil bacteria to fix nitrogen, improving soil fertility for themselves and neighboring plants. Notable Species Coronilla varia (Crown Vetch, Purple Crown Vetch) coronilla

: They produce slender, jointed seedpods that often resemble a scorpion's tail, leading to common names like Scorpion Senna . : Most species have delicate-looking

: They typically feature pea-like blooms in shades of yellow, pink, white, or purple, arranged in radiating clusters called umbels. arranged in radiating clusters called umbels.