Sweetflag
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rhizome is edible raw.
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rhizome can be made tender by prolonged boiling.
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rhizome is best when peeled and cooked, either by boiling or roasting.
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central core of young shoots is edible raw.
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young spadix is edible raw.
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plant is an effective insect repellent.
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varieties in the Pacific Northwest include American sweetflag (Acorus americanus).
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grows in marshes, quiet water, and wet, open areas.