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