Vallisneria spiralis
Quick Summary
Vallisneria spiralis, commonly known as tape grass or freshwater eelgrass, is a submerged aquatic plant belonging to the Hydrocharitaceae family. Native to temperate and tropical waters worldwide, it thrives in freshwater or brackish environments.12
Key characteristics include:
* Appearance: Long, thin leaves that grow in a basal rosette.1
* Reproduction: Reproduces both sexually through unique underwater pollination systems and asexually via rhizomes and stolons.31
* Ecological Importance: Serves as a keystone species, providing vital habitat for fish and invertebrates, stabilizing sediments, and filtering water. It is also a food source for ducks and turtles.1
* Cultivation: Certain species, like Vallisneria spiralis and Vallisneria americana, are popular aquarium plants.31
While sometimes called eelgrass, it is not closely related to true eelgrasses of the genus Zostera.1
Ask Britannica AI about this topic
Britannica doesn't have a full article on this topic, so we've curated a list of our relevant coverage.
