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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
(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 Clerodendrum

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1 Corolla tube 5-12 cm long.
  2 Corolla tube white or cream; flowers axillary, subtended by leaf-like bracts, the ‘inflorescence’ elongate; leaf blades lanceolate, 4-10× as long as wide
  2 Corolla tube pinkish to red; flowers in a terminal and hemispheric compound cyme; leaf blades ovate, 1.5-3× as long as wide
1 Corolla tube < 3 cm long.
    3 Corolla white or pale pink.
      4 Shrub to 1 (-3) m tall; inflorescence 3-6 cm long; corolla doubled or additional ‘multiple’
      4 Shrub or small tree to 10 m tall; inflorescence 8-18 cm long; corolla single
    3 Corolla strongly pink, red, or orange.
        5 Corollas pink or pinkish-red; inflorescence compact and hemispheric, as wide or wider than long
        5 Corollas orange or orangey-red; inflorescence with an obvious central axis, longer than wide.
          6 Leaves densely pubescent
          6 Leaves sparsely pubescent
             7 Leaves cordate, unlobed
             7 Leaves 5-lobed