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Support the Flora of the Southeastern US

2024 has been a banner year for making the best flora we can imagine. We've created:
With financial support from people like you, we are aiming even higher in 2025. Together we can accomplish all this: Vote on our 2025 priorities
  • Add Global Conservation Ranks (GRanks) vote
  • Professional graphic keys (polyclaves) to individual families/genera vote
  • 2 new FloraQuest apps: Florida & Mid-South vote
  • Image overlays highlighting diagnostic characters with arrows vote
  • iNaturalist integration in FloraQuest vote
Write-in vote: vote
We've set a goal of recruiting 200 ongoing supporters to donate $15 or more each month in 2025. Please help us reach this goal and make next year's flora even better:
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Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Ranunculaceae

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1 Shrub or vine; leaves compound (or sometimes some to most of them simple in Clematis).
  2 Leaves opposite, distributed along the stem; sepals 4, white to blue or purplish, 10-50 mm long; wood not yellow; [subfamily Ranunculoideae, tribe Anemoneae]
  2 Leaves alternate, clustered together at the top of the usually unbranched, erect stem; sepals 5, maroon, 2-5 mm long; wood yellow; [subfamily Coptidoideae]
1 Herb; leaves compound or simple.
    3 Leaves simple, sometimes deeply cleft or lobed into rounded or elongate segments; [subfamily Ranunculoideae].
      4 Plants in fruit
    3 Leaves compound, the leaflets either linear or more-or-less petiolulate.
        5 Plants in flower
        5 Plants in fruit