Etymology: Zannichellia: for G.G. Zannichelli, Venetian botanist
Plants: submerged annual/perennial, monoecious aquatic, sometimes partially buried; few, very thin rhizomes
Leaves: thin, long, opposite or whorled at ends
Flowers: paired, one of each sex
Fruits: flat, beaked, 1 edge wavy dry seeds in a cluster in the leaf axils
Habitat: wet; shallows, to water 7' deep; in silty, muddy soil
Conservation Status: Native
Plants: submerged annual/perennial, monoecious aquatic, sometimes partially buried; few, very thin rhizomes
Leaves: thin, long, opposite or whorled at ends
Flowers: paired, one of each sex
Fruits: flat, beaked, 1 edge wavy dry seeds in a cluster in the leaf axils
Habitat: wet; shallows, to water 7' deep; in silty, muddy soil
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 7, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc.
Robert W. Freckmann
Stephen L. Solheim
Paul Skawinski
Paul Skawinski
Paul Skawinski
Kurt Stüber
© Wisconsin State Herbarium, UW-Madison
Department of Botany • 430 Lincoln Drive
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Madison, WI 53706 • Phone: 608-262-2792
Direct comments to wisconsin.state.herbarium@gmail.com
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