compass plant

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compass plant

plant, Silphium species

Also known as: Silphium laciniatum, pilotweed

Learn about this topic in these articles:

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In Silphium
Compass plant, or pilotweed (S. laciniatum), is a prairie plant with large, deeply cut, lance-shaped leaves. It may grow to 3.5 metres (about 12 feet) and has a tall flower stalk with solitary large flowers.
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