Callitriche brutia is a small amphibious annual or perennial herb that grows submerged or at the edges of still and slow-moving fresh water, forming dense mats. It is grown mainly in ponds and water features and needs constant wet or submerged conditions.
Family
Plantaginaceae (Plantain family)
Grows as
Aquatic, Annual, Perennial
Light
Full sun, Part shade
Water
Keep it submerged or in constantly wet soil; it does not tolerate drying out.
Soil
Fine mud or pond silt, or a mix of loam and sand under shallow water.
Temperature
Tolerates cool to mild temperatures and is hardy in temperate climates; avoid prolonged freezing of its growing area.
How easy
Easy
Safety
Toxic
Native range
Canary Is., N. & W. Europe to Medit. and Iran
Climate
temperate
About
Callitriche brutia, the pedunculate water-starwort, is a dwarf amphibious annual or perennial dicotyledon herb in the genus Callitriche. The common name of this species is water starwort. It colonizes aquatic environments, such as wetlands, lakes, rivers, streams, and pools, and it grows in oligotrophic conditions, meaning it grows in an environment that has little to sustain life. Pedunculate water-starwort was found in Ireland and England, but is now an invasive species due to its resistance to environmental stressors, and its ability to grow in still water.
Where it grows
The habitats ranges from ephemeral pools, lakes and canals to fast-flowing upland rivers Europe-wide. This species can be found in ditches, ponds, wetlands, and in shallow waters of lake margins and drains. The Callitriche bruita is most abundant in the upland regions of Britain and Ireland, as well as areas in the New Forest (South Hampshire) and the Lizard Peninsula (West Cornwall).
Text excerpted from the Wikipedia article Callitriche brutia by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.