Sparganium eurycarpum Engelm.  
Family: Typhaceae
broad-fruit bur-reed, common bur-reed, giant bur-reed
Sparganium eurycarpum image
Derek Anderson  
Etymology: Sparganium: ancient name, probably sparganon for "a band," referring to ribbon-like leaves
Plants: erect, perennial, emergent semi-aquatic, 1'-3 1/2' tall; stems stout, spongy, flattened V-shape in cross section; roots a shallow, spreading rhizomes
Leaves: barely dilated at the base, ribbony, some floating or submersed; veins forming a net-like grid
Flowers: female flower green to white, 3-parted; inflorescence 3/4" round heads on branched, zigzagging stalk, upper heads male and smaller than the lower female heads; blooms June-July
Fruits: brown, wide, flat-topped, beaked nutlets fruit drawing in large, 1" wide, bur-like heads
Habitat: sun; wet; ditches, shallows, marshes, shores; in muddy soil
Conservation Status: Native
Sparganium eurycarpum image
Robert W. Freckmann  
Sparganium eurycarpum image
Josh Sulman  
Sparganium eurycarpum image
Derek Anderson  
Sparganium eurycarpum image
Paul Skawinski  
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