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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:

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 Dinebra

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1 Glumes 5.7-9 mm long, much longer than the florets
1 Glumes 0.7-4 mm long, from much shorter than the florets to about as long.
  2 Sheaths sparsely to densely hairy with papillose-based hairs.
    3 Glumes lanceolate to narrowly elliptic, not or only slightly exceeding the florets; lemmas 1.3-1.7 mm long; caryopses usually with a narrow, shallow ventral groove, smooth, the apices broadly obtuse to acute
    3 Glumes linear to narrowly lanceolate, exceeding the florets; lemmas 0.9-1.2 mm long; caryopses without a ventral groove, often somewhat coarsely rugose, the apices broadly obtuse
  2 Sheaths glabrous, or pubescent with non-papillose-based hairs.
      4 Panicles with 25-150 branches.
        5 Lemmas 2.4-3 mm long; anthers 0.6-0.8 mm long; spikelets 4-5 mm long
        5 Lemmas 1.2-2.4 mm long; anthers 0.2-0.6 mm long; spikelets 2.5-4.5 mm long.
          6 Leaf blades 4-7 mm wide; lemmas 1-2 mm long.
          6 Leaf blades 8-16 mm wide; lemmas 2.1-2.4 mm long
      4 Panicles with 2-25 branches.