Calla palustris L.
Family: Araceae
water-arum, wild calla
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David Lee  
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Christopher Noll  
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University of Wisconsin-Stevens Point, Robert W. Freckmann Herbarium (UWSP)  
Etymology: Calla: ancient name, meaning obscure
Plants: erect, perennial, emergent, semi-aquatic 5"-10" tall; roots fleshy rhizomes
Leaves: broadly oval with a pointed tip on a 2"-6" long stalk
Flowers: green to white, tiny, 6 stamens; inflorescence a 1"-2" spadix covered with flowers and beside a 2" white, open, flat, oval spathe; blooms June
Fruits: round cluster of red berries
Habitat: bogs, shallows, cold water; in peaty, mucky soil
Hazardous: Careful, this plant is hazardous!
Conservation Status: Native
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Christopher Noll  
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Scott A. Milburn  
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David Lee  
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J. Kathleen Clayton  
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Robert R. Kowal  
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Emmet J. Judziewicz  
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Aaron_Carlson  
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Robert Bierman  
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