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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
(0.02¢/plant image)
Donate $30 per month
(0.05¢/plant image)
Donate $50 per month
(amazing!)
Donate another
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 Lotus

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1 Leaves 3-foliolate, the upper commonly 1-foliolate; flowers solitary in leaf axils
1 Leaves 5-foliolate; flowers in umbels.
  2 Inflorescences (4-) 5-15-flowered; stems hollow; perennials from rhizomes
  2 Inflorescences (1-) 3-8 (-10) flowered; stems solid; annuals or perennials from taproots (rarely rhizomatous).
    3 Calyx tube 2.8-3.5 mm long; corolla 10-17 mm long; leaflets of the medial leaves mostly 1.5-2.5 (-5)× as long as wide
    3 Calyx tube 1.8-2.8 mm long; corolla 7-10 mm long; leaflets of the medial leaves 3-4 (-6)× as long as wide