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Cup Plant

(Silphium perfoliatum)

Aster Family

Cup PlantA stout perennial growing up to 8 feet tall. The smooth, square stems have wide, coarsely toothed, opposite leaves that are united at the base of the stem to form a "cup." The flower heads are 2½ to 4 inches wide and grow on individual branches. The flowers arranged in a spreading cluster and have 20 to 30 yellow rays.

Last Modified: 7/15/22 10:58 AM | Website Feedback