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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 Alcea

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1 Leaf blade lobing shallow, < ½ to the midrib; corolla white, pink, red, or purple (rarely yellow), not drying greenish; bractlets of the involucel > ½ as long as the calyx
1 Leaf blade lobing deep, > ½ way to the midrib; corolla pale yellow (greenish when dried); bractlets of the involucel usually > ½ as long as the calyx
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