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(Last Modified On 9/19/2013)
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(Last Modified On 9/19/2013)
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Genus
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Ceratophyllum L.
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PlaceOfPublication
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Sp. P1. 662. 1753
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Note
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TYPE: C. demersum L.
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Description
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Submerged aquatic herbs; stems branching; roots wanting. Leaves verticil- late, flat, dissected, sometimes serrate. Inflorescences of solitary or clustered flowers in the leaf axils. Flowers unisexual, the calyx many segmented, the sepals basally united, the staminate flowers with about a dozen erect, subsessile sta- mens, the pistillate flowers with a single superior ovary, locule 1, ovule 1, the
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Habit
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herbs
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Description
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placentation parietal, the style slender. Fruit a nut exserted from the perianth, the style persistent.
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Note
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Ceratophyllum includes 1-10 species depending on circumscription. All plants are quite similar in being dissected, branching submerged aquatics with minute axillary flowers. The genus occurs in fresh waters in most parts of the world, and is food for wild fowl and other fauna. The masses of intricate leaves and stems also provide hiding places for many small animals, including mosquito larvae.
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