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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
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No key was found for the requested taxon, but it has only one child: Gelsemium. Showing where it is keyed below.

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 J3: lianas with opposite simple leaves with entire margins {add Paederia in RUBIACEAE}

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1 Fresh plants with white, milky juice; pistils 2, united only by the style and stigma; fruit a pair of linear follicles, > 8× as long as thick
1 Fresh plants with clear juice; pistil 1; fruit either a capsule (< 3× as long as wide), or paired berries, or an accessory fruit of a utricle embedded in a leathery expanded calyx.
  2 Liana climbing by paired, recurved spines at the nodes; fruit an accessory fruit of a utricle embedded in a leathery expanded calyx
  2 Liana climbing by twining; fruit either a capsule (< 3× as long as wide) or paired berries.
    3 Flowers white, pale yellow, orange, or red, distinctly to obscurely bilaterally symmetrical; leaves widest slightly below, at, or above the middle, the apex rounded, obtuse, to broadly acute
    3 Flowers bright yellow, radially symmetrical; leaves widest well below the middle, the apex acuminate