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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
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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 Nemophila

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1 Stem leaves opposite; [exotics from w. North America].
  2 Seeds smooth or shallowly pitted; corolla with a purple spot at each lobe tip
  2 Seeds wrinkled and tubercled; corolla whitish near the petal base, grading to pale to medium blue in the upper portion (without a purple spot at each lobe tip)
1 Stem leaves alternate; [natives in our area].
    3 Flowers all solitary; corolla to 5 mm across, white; leaves with 3-5 divisions; [e. OK and e. TX eastward].
    3 Flowers solitary in axils or in a terminal cyme; corolla 10-30 mm across, blue or purplish; leaves with 7-11 divisions; [AR, w. LA, OK, and TX].
      4 Corolla pale to medium bluish violet to blue; vestiture of the stems hirsute, with trichomes irregularly oriented and mostly < 2 mm long; [widespread in AR, e. OK, e. TX, and (?) LA]
      4 Corolla violet to deep purplish; vestiture of the stems densely hirsute, with trichomes retrorse and many > 2 mm long; [endemic in deep sands in e. TX]