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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
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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 Carex, [26c] Section 3 Multiflorae: section Multiflorae

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1 Perigynia red-dotted
1 Perigynia not red-dotted.
  2 Perigynia golden yellow or yellowish-brown at maturity
  2 Perigynia dull yellow-green or pale brown at maturity.
    3 Leaves longer than the flowering stem; perigynia 2.0-3.2 mm long, 1.3-1.8 mm wide, the beak 1/3-1/2 the length of the body
    3 Leaves shorter than the flowering stem; perigynia 3.2-4.0 mm long, 2.0-2.6 mm wide, the beak ca. 1/3 as long as the body.
      4 Awn of pistillate scales 1-3 mm long; adaxial surface of perigynia with 3-5 nerves; [wet pine savannas; se. S, south to c. peninsular FL, west to LA]
      4 Awn of pistillate scales 0.5-1.5 mm long; adaxial surface of perigynia lacking nerves; [prairies; s. IL, MO, se. KS, and OK south to AR and se. TX, and also introduced eastwards in disturbed sites]