Trillium Ridge Flora and Fauna
Compass plant
Silphium laciniatum
Location: Western meadow, southwest meadow

Range: This is a typical plant of black soil prairies in the tallgrass region.
A mature specimen of this native perennial plant ranges from 6-12' tall. They resemble wild sunflowers in overall size, shape, and structure. A large central taproot can extend 15 ft. into the ground. A resinous substance is produced by the upper stem when the plant is blooming. This plant can live up to 100 years.
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Genus: Silphium (rosinweed)
Family: Asteraceae (compositae ( aster, daisy, or sunflower family))
Order: Asterales (asterales)
Class: Magnoliopsida (Dicots)
Phylum/Division: Magnoliophyta (Flowering plants)
Kingdom: Plantae (Plants)