Final answer:
Birdsfoot trefoil is the legume that does not rely on crown formation as a persistence strategy.
Step-by-step explanation:
Of the legumes mentioned, alfalfa, red clover, and white clover rely on crown formation as a persistence strategy. However, birdsfoot trefoil does not rely on crown formation. Of the legumes mentioned, alfalfa, red clover, and white clover rely on crown formation as a persistence strategy. However, birdsfoot trefoil does not rely on crown formation.
Of the legumes mentioned, alfalfa, red clover, and white clover rely on crown formation as a persistence strategy. However, birdsfoot trefoil does not rely on crown formation.
Of the legumes mentioned, alfalfa, red clover, and white clover rely on crown formation as a persistence strategy. However, birdsfoot trefoil does not rely on crown formation.