hornwort

• Substantivo que designa tanto plantas aquáticas do gênero Ceratophyllum, que formam massas submersas em lagoas e riachos de correnteza lenta, quanto um tipo de hepática (Anthoceros) com cápsulas finas em forma de chifre.

A noun referring to either an aquatic plant of the genus Ceratophyllum that forms submerged masses in ponds and slow-flowing streams, or a type of liverwort with slender hornlike capsules.

1. C1formalscientific

   Any submerged aquatic plant of the genus Ceratophyllum, which forms dense masses in ponds and slow-moving streams.

   Planta aquática

   • Hornwort provides excellent cover for fish in garden ponds.
   • The lake was choked with hornwort near the shore.
   • Aquarists often use hornwort to oxygenate the water.

2. LiverwortC1formalscientific

   A type of bryophyte (non-vascular plant) with slender, horn-like capsules, belonging to the class Anthocerotopsida.

   Antócero

   • Hornworts are often found growing on damp soil or rocks.
   • The hornwort's sporophyte has a distinctive elongated shape.
   • Botanists study hornworts to understand early plant evolution.