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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 Acmispon

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1 Leaflets 3-3.5× as long as wide; plants pubescent, the hairs long; [native from IL, MO, AR, and LA westward, eastwards rare as an alien]
1 Leaflets 4-5× as long as wide; plants glabrate, the hairs short (to moderately villous); [native of Piedmont of sc. VA, NC, SC, and e. GA]
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