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Etymology: Decodon: Greek deca for "ten" and odous for "tooth"
Plants: arching perennial, 1'-9' tall, semi-aquatic, emergent forb, often forms floating mats in soft sediment areas; stems woody at the base, angled, arching over and re-rooting in the water Leaves: short-stalked, lance-shaped, in whorls of 3 or 4 or in opposite pairs, lower leaf surface and stalks finely hairy Flowers: pink, 5-parted, 1/3"-1/2" long, petals obvious, narrowing towards the base; inflorescence a dense cluster (cyme) of stalked flowers from the upper leaf axils; blooms Aug.-Sept. Fruits: rounded capsule with many seeds Habitat: wet; shallows, swamps, still water; in mucky, peaty soil Conservation Status: Native
USDA Plants Database: Federal Distribution and detailed information including photos
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© Wisconsin State Herbarium, UW-Madison
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