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Photographer: Steve C. Garske
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Family Lythraceae
Decodon verticillatus (L.) Elliott
swamp loosestrife, water-willow, whorled loosestrife
Decodon: Greek deca for "ten" and odous for "tooth"
verticillatus: whorled
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| Status: | Native |
| Plant: | arching perennial, 1'-9' tall, semi-aquatic, emergent forb, often forming floating mats in soft sediment areas; angled stems woody at the base, arching over and re-rooting in the water |
| Flower: | pink, 5-parted, 1/3"-1/2" long, obvious petals narrowing toward the base, 8-10 protruding stamens of 2 alternating lengths; inflorescence a dense cluster (cyme) of stalked flowers from the upper leaf axils; blooms Aug.-Sept. |
| Fruit: | rounded capsule with many seeds |
| Leaf: | short-stalked, lance-shaped, in whorls of 3 or 4 or in opposite pairs |
| Habitat: | shallows, lake shores, still water; in mucky, peaty soil |
| (Glossary) |
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