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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 Pedicularis

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1 Inflorescence 1-4 dm tall; stem leaves alternate; stem pubescent, at least near the inflorescence; flowering Apr-May
1 Inflorescence 4-10 dm tall; stem leaves opposite; stem glabrous; flowering Aug-Oct
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