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Key to Ammi

Apiaceae

Ammi

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1 Lower leaves with elliptic to narrowly elliptic segments; fruits 1.5-2 mm long; rays 15-60, not rigid and thickened at maturity; bracts not strongly reflexed in fruit
1 Lower leaves with filiform segments; fruits 2-2.8 mm long; rays up to 150, rigid and thickened at maturity; bracts strongly reflexed in fruit