Ceratophyllum demersum
(Hornwort)
|
FAMILY |
Ceratophyllaceae |
|
Species |
Ceratophyllum demersum |
|
Common name(s) |
Hornwort |
|
Flower colour; life form |
Flowers greenish. Herb, free-floating or loosely rooted |
|
Distinguishing features |
Leaves whorled 1.5 – 3.5 cm long, much-branched with numerous thin segments, usually with conspicuous teeth on margin. Male and female flowers – inconspicuous. Fruit a hard achene with a terminal spine, basal spines and marginal wings may also be present. |
