erect bur-head, more...
[Echinodorus berteroi var. lanceolatus (Spreng.) Fassett, more]
Etymology: Echinodorus: from Greek echinos, "a hedgehog," and doros, "a bag or leather bottle," referring to the spiny achenes
Plants: erect, annual, 4"-24" tall, emergent aquatic
Leaves: erect, long-stalked, broadly oval, with rounded tip
Flowers: white, 3-parted, 1/4"-2/5" wide; inflorescence of 3-8 whorls of flowers, with the stalk above the leaves; blooms June-Oct.
Fruits: 40 or more dry seeds per head; ribbed or with ridges, but no wings
Habitat: wet to moist; swamps, ditches; in sandy soil
Conservation Status: Special Concern
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 10, Wetland Indicator = OBL WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin listed species including state and federal status, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key.