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Pacific silverweed
Scientific Name: Argentina egedii ssp. egedii
Family: Rosaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Pacific Silverweed
Explore the fascinating world of Pacific Silverweed, a plant with a rich history and ecological significance.
Considerations for Pets
- Pacific Silverweed spreads by runners.
Considerations for Children
- Pacific Silverweed spreads by runners.
Common and Scientific Names
- Scientific Name: Argentina pacifica, Potentilla egedei, or Potentilla anserina ssp. pacifica
- Common Names: Pacific Silverweed, Silverweed Cinquefoil, Silverweed, Egede's Cinquefoil
Taxonomy and Nomenclature
- Family: Rosaceae (Rose family)
- Synonyms: Argentina anserina (L) Rydb, Potentilla pacifica, Potentilla egedii var. grandis
- Subspecies: Argentina egedii (Wormsk.) Rydb. subsp. egedii
Distribution and Habitat
- Grows along the Pacific Coast from Alaska to southern California.
- Found in saline wetlands, marshes, tidal flats, beach dunes, and near the ocean.
- Also grows in freshwater and estuarine wetlands.
Morphological Characteristics and Growth Habits
- Low-growing perennial, typically reaching about 6 inches in height, however can grow up to 0.5 meters (1ft 8in).
- Spreads by runners.
- Leaves are pinnately compound, with green leaves and silvery undersides. Leaves can grow up to 15 inches long.
- Petiole is nearly hairless.
Ethnobotanical Information
- Pacific silverweed roots were a staple food for Northwest Coast Indian peoples.
- The roots were eaten raw, boiled, or roasted.
Interactions with Other Organisms
- Can be found "fighting it out" with Gorse.