silphium laciniatum(redirected from compass flower)
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Related to compass flower: compass plant, Silphium laciniatum
Flowers resemble miniature sunflowers but with fewer petals. Can grow up to 10 ft tall (1-4m). Hairy stalk and leaves. Whole plant is edible. Used for lung conditions, gonorrhea, expelling worms, coughs and asthma. Leaves usually point north-south to minimize exposure to hot noon sun. Roots up to 15 ft (5m) deep, very drought resistant.