cup plant
noun
a hardy composite plant, Silphium perfoliatum, of eastern North America, having large yellow flower heads and opposite leaves that envelop the stem, forming a cup.
Origin of cup plant
An Americanism dating back to 1840–50
Words nearby cup plant
cup final,
cup fungus,
cup of elijah,
cup of tea,
cup of tea, one's,
cup plant,
cup shake,
cup tie,
cup towel,
cup-and-saucer vine,
cup-holder