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Etymology: Myriophyllum: from Greek myrios, "numberless," and phyllon, "leaf," alluding to the many divisions of the submerged leaves of these aquatic plants
Plants: perennial, submersed aquatic, flowers and fruit from submersed leaf axils Leaves: closely-spaced, scattered, some alternate, short-stalked; finely, pinnately-divided into less than 14 pairs of leaflets Flowers: 4-parted, with winter buds Fruits: 4-parted nutlet divided by 2 bumpy ridges Habitat: shallows, water to 7' deep; in fine sediment soil Conservation Status: Native |
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© Wisconsin State Herbarium, UW-Madison
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