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Key to Polemonium

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1 Stamens exserted 5-7 mm from the corolla; flowers in a compact panicle, the pedicels usually shorter than the calyx; flowering in Jul
1 Stamens included in the corolla; flowers in a diffuse, corymbiform panicle, the pedicels usually longer than the calyx; flowering in Apr-May.
..2 Inflorescence minutely puberulent; corolla 12-16 mm long
..2 Inflorescence densely glandular-villous; corolla 8-12 (-13) mm long
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