Ceratophyllum echinatum A.Gray
Family: Ceratophyllaceae
prickly hornwort,  more...
[Ceratophyllum demersum var. echinatum L.,  more]
Ceratophyllum echinatum image
Paul Skawinski  
Etymology: 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
Plants: perennial, submerged aquatic, evergreen; stems long, trailing; lacks true roots, may anchor in sediment by modified leaves
Leaves: whorled, stiff, 5-12 per node, forks 3-4 times, edges toothless but with some spines, whorls mostly evenly spaced on stem
Flowers: tiny, male and female flowers, in leaf axils, on separate plants
Fruits: dry seed with several spines and a rough surface
Habitat: water to >7' deep
Conservation Status: Native
- some leaves branching 3 or 4 times

- fruits with many long spines

Ceratophyllum echinatum image
Paul Skawinski  
Ceratophyllum echinatum image
Paul Skawinski  
Ceratophyllum echinatum image
Paul Skawinski  
Ceratophyllum echinatum image
Carol Watkins  
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
Ceratophyllum echinatum image
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