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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 Manfreda

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1 Perianth lobes erect, 4-8 mm long; [collectively widespread].
  2 Anthers 13-17 (-20) mm long; perianth (including the ovary) 26-35 mm long; perianth lobes 2.5-3 mm wide at the base
  2 Anthers 8-10 mm long; perianth (including the ovary) 20-23 mm long; perianth lobes ca. 1.5 mm wide at the base
1 Perianth lobes spreading or recurved, 7-21 mm long; [e. TX].
    3 Filaments and style included in, or exserted from the perianth tube by 5-22 mm; fresh flowers with sweet odor.
      4 Filaments shorter than the perianth; perianth tube 23--36 mm long; leaf margins coarsely toothed
      4 Filaments longer than the perianth, exserted by 5-22 mm; perianth tube 6-26 mm long; leaf margins minutely toothed
    3 Filaments and style exserted from the perianth tube by 4.0-9.7 cm; fresh flowers with cooked onion odor
        5 Leaves spreading; flowers erect, almost appressed to the inflorescence axis
        5 Leaves erect or arching; flowers spreading from the inflorescence axis