Pimpinella
– Plants annual; fruit furrow usually with 1-vittae ——————————————— 9.
9. Roots thin; mericarps laterally compressed; fruit hair clavate —————— Aphanopleura
– Roots thick; mericarps dorsally compressed; fruit hair straight —————————— 10
10. Petiole conspicuously sheathed, distinctly hairy; petals glabrous; fruits narrow on both ends, swollen in the middle; fruit hair dense, T-shaped—————————–