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Winged water-starwort

Callitriche marginata

Winged water-starwort
Photo: Stickpen, Public domain

Winged water-starwort is a tiny aquatic plant that forms floating mats of leaf rosettes, native to vernal pools along the west coast of North America. It is seldom grown in gardens and needs wet or waterlogged conditions to thrive.

Family
Plantaginaceae (Plantain family)
Grows as
Aquatic
Light
Full sun, Part shade
Water
Keep the roots submerged or in constantly wet mud; it does not tolerate drying out.
Soil
Muddy or silty substrate, as found in seasonal pools.
How easy
Moderate
Native range
SE. British Columbia to Mexico (N. Baja California)
Climate
temperate

About

Callitriche marginata is a species of aquatic plant known by the common name winged water starwort. Callitriche marginata is native to the west coast of North America from British Columbia to Baja California, where it grows in and around vernal pools.

Where it grows

It is secure in the southern part of its range in California and Baja, but is rare in Oregon, unknown in Washington, and known from only eight occurrences in British Columbia. In California, it is found from the Coast Ranges, Transverse Ranges, and Peninsular Ranges, through the Central Valley to the High Sierra Nevada.

Other Callitriche plants

Antarctic Water Starwort · Pedunculate Water-Starwort · Callitriche christensenii · Vernal water-starwort · Pond water-starwort · Terrestrial water-starwort · Water Starworts

Text excerpted from the Wikipedia article Callitriche marginata 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.

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