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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:
Donate $15 per month
(0.06¢/key line)
Donate $30 per month
(0.13¢/key line)
Donate $50 per month
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or one-time amount

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 Bauhinia

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1 Woody vine, climbing by axillary tendrils; leaves 2-foliolate
1 Tree; leaves simple, 2-lobed.
  2 Stems with stipular spines at or near the nodes; stamens 10; corolla white
  2 Stems lacking spines; stamens 3 or 5; corolla white, pink, or purple.
    3 Functional stamens 3; petals ca. 1.5 (-2) cm wide, not overlapping; flower buds clavate and also slightly 4-5-angled or -winged in ×-sextion winged towards the tip; spathiform calyx splitting along 2 lines
    3 Functional stamens 5; petals 1.5-3 cm wide, overlapping; flower buds spindle-shaped, tapering to the tip and not angled in ×-section; spathiform calyx splitting along a single line