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Hornwort facts for kids

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Hornwort
Ceratophyllum demersum.jpg
Scientific classification
Genus:
Ceratophyllum
Species:
demersum
Phaeoceros laevis
The hornwort Anthoceras levis

Hornworts are small, simple plants that don't have true roots, stems, or leaves. They are a type of bryophyte, which means they are non-vascular plants. This means they don't have special tubes to move water and nutrients around their bodies, unlike most plants you see.

The name "hornwort" comes from a unique horn-like part that grows on these plants. This horn-like structure is called the sporophyte. It's responsible for making and releasing tiny spores that help the plant reproduce. The flat, green part of a hornwort, which you usually see, is called the gametophyte.

How Hornworts Grow and Reproduce

Like all bryophytes, hornworts have a special way of growing called alternation of generations. This means they have two main life stages:

  • The gametophyte stage: This is the green, flat part of the plant that you usually notice. It has a single set of chromosomes (haploid).
  • The sporophyte stage: This is the horn-shaped part that grows out of the gametophyte. It has two sets of chromosomes (diploid). The sporophyte makes and releases spores into the air. When these spores land in a good spot, they can grow into a new gametophyte.

Where Hornworts Live

Hornworts can be found all over the world, from cool forests to warm tropical areas. They love places that are damp or humid because they need water to reproduce.

You might find some hornwort species growing as tiny weeds in garden soil or in farm fields. Other types, especially in tropical regions, can even grow on the bark of trees.

Hornworts in the Plant Family Tree

Scientists are still studying how hornworts fit into the larger plant family. Some experts believe that hornworts should be placed in their very own group, called the Anthocerotophyta. This shows how unique and special these little plants are!

Related pages

Dendroceros
The hornwort Dendroceros crispus growing on the bark of a tree.

Images for kids

See also

Kids robot.svg In Spanish: Anthocerotophyta para niños

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