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(Last Modified On 5/9/2013)
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(Last Modified On 5/9/2013)
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Genus
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Najas L.
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PlaceOfPublication
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Sp. PI. 1015. 1753.
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Synonym
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Caroliana Raf., Jour. Phys. Chim. Hist. Nat. Arts 89: 259. 1819. Caulinia Willd., Mem. Acad. Roy. Sci. Hist. (Berlin) 87. 1798. Fluvialis Adans., Fam. PI. 2: 472. 1763. Hyas Dumort., Anal. Fam. PI. 61. 1829. Ittnera C. C. Gmel., Fl. Bad. 3: 590. 1808.
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Key
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a. Fruit longer than 2 mm; pericarp wall appearing papillose; fruit areolae longer than broad; seeds with 3 dark bands; laminas conspicuously serrulate, the teeth multicellular, fewer than 25 per side; auricles conspicuously broader than the laminas, the teeth smaller than the lamina teeth ............ N. arguta a. Fruit shorter than 2 mm; pericarp wall not appearing papillose; fruit areolae broader than long; seeds with 2 dark bands; laminas inconspicuously serrulate, the teeth uni- cellular, ca. 100 per side; auricles scarcely broader than the laminas, the teeth larger than the lamina teeth ............. N. guadalupensis
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