This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
Family, Arum. Leaves, arrow-shaped, large, the largest 2 1/2 feet long, the lobes at base long and sharp, margins rolled inward, long petioled. May and June.
A common plant, growing in shallow water or in bogs. The flowers are without calyx and corolla, being a collection of stamens and ovaries crowded on a long spadix, covering it nearly to the top. The leaf forming the spathe is long, 4 to 8 inches, tapering, curving, closely infolding the spadix, fleshy at base. Fruit, a green berry. Plant springing from tufted fibrous roots, the flowering scape but little shorter than the leaves. Maine to Florida and westward.
 
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