the plant family Araceae, characterized by herbaceous plants having numerous tiny flowers on a fleshy spike above or sheathed by a large spathe, and including the anthurium, calla lily, jack-in-the-pulpit, and philodendron.
- ar·um·like, adjective
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How to use arum family in a sentence
Richardia, ri-chr′di-a, n. a small genus of South African herbs of the arum family, including the calla-lily.