Flora of the Southeastern United States
2022 Edition

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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 Youngia

1 Leaves in basal rosettes, with only 0-2 cauline leaves; leaf blades runcinate, the lobes at a 90 degree angle to the midvein or recurved towards the base, the ultimate margins entire, dentate, or with small rounded lobes; longest bristle tips on teeth typically < 1 mm long
1 Leaves mainly cauline, 4-10+ cauline leaves with internodes > 1 cm long; lobes of leaf blades ascending to spreading, the ultimate margins entire or dentate; longest bristle tips on teeth typically > 1 mm long