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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 Myosotis

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1 Calyx strigose, the hairs neither spreading nor uncinate; [mostly of moist to wet habitats].
  2 Corolla limb 2-5 mm wide; mericarps taller than the style; stems terete; plant not stoloniferous; calyx usually deciduous in fruit, the lobes ≥ as long as the tube
  2 Corolla limb 5-10 mm wide; mericarps not surpassing the style; stems angled; plant often stoloniferous; calyx usually persistent in fruit, the lobes ≤ as long as the tube
1 Calyx with some loose or spreading, uncinate hairs; [of various habitats, mostly dry].
    3 Corolla limb 5-8 mm wide; perennial
    3 Corolla limb 1-4 mm wide; annual or biennial.
      4 Calyx lobes unequal, 3 lobes shorter than the other 2; corolla white; [native, of dry or moist habitats].
        5 Fruiting pedicels divergent; fruiting calyx deciduous, 3-10 mm long; inflorescence internodes usually longer than 10 mm; mericarps 1.4-2.2 mm long
        5 Fruiting pedicels more-or-less erect; fruiting calyx persistent, 3-5.5 mm long; inflorescence internodes usually shorter than 10 mm; mericarps 1.2-1.5 mm long
      4 Calyx lobes equal, all 5 the same size; corolla blue (occasionally yellow or white); [exotic, mostly of dry disturbed habitats].
          6 Fruiting pedicels equaling or generally longer than the calyx
          6 Fruiting pedicels distinctly shorter than the calyx.
             7 Plants floriferous from about the middle upward; style surpassing the mericarps
             7 Plants floriferous nearly to the base; style shorter than the mericarps