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Photographer: Dennis W. Woodland
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Family Ceratophyllaceae
Ceratophyllum demersum L.
coon's-tail, hornwort
Ceratophyllum: from the Greek keras, "a horn," and phyllon, "leaf," alluding to the stiff and narrow leaf divisions, this is a genus often called hornwort
demersum: living under water, submerged
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| Status: | Native |
| Plant: | perennial, submerged aquatic, evergreen; stems long, trailing; lacks true roots, may anchor in sediment by modified leaves |
| Flower: | tiny, male and female flowers, in leaf axils, on separate plants |
| Fruit: | dry seed with 2 spines at the base and 1 at the top |
| Leaf: | whorled, stiff, 5-12 per node, forks 1-2 times, edges toothed with small spine at tip, spaced whorls closer at branch ends |
| Habitat: | water to >7' deep |
| (Glossary) |
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