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Cup Plant

Silphium perfoliatum, the cup plant or cup-plant, is a species of flowering plant in the family Asteraceae, native to eastern and central North America. It is an erect herbaceous perennial with triangular toothed leaves, and daisy-like yellow composite flower heads in summer.

From Wikipedia, licensed under CC BY-SA 4.0

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Taxonomy

Scientific: Silphium perfoliatum
Family: Asteraceae
Genus: Silphium
Kingdom: Plantae
Order: Asterales
Habit: herb