Symphyotrichum lentum
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Symphyotrichum lentum (formerly Aster lentus) is a species of flowering plant in the family Asteraceae with the common name of Suisun Marsh aster.Template:Sfn It is a perennial and herbaceous plant endemic to the marshes of Sacramento-San Joaquin River Delta of Northern California.
Description
Symphyotrichum lentum is similar in appearance to Symphyotrichum chilense, which may be found in the same area. It is a colonial perennial herb producing a hairless stem Script error: No such module "convert". tall from a long rhizome. The leaves are linear or lance-shaped, pointed, and up to Script error: No such module "convert". long near the base of the plant. The lower leaves wither by the time the plant flowers. The inflorescence is an open array of flower heads with a fringe of violet ray florets around a center of yellow disc florets. The fruit is a hairy cypsela with a long white pappus.Template:Sfn
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Distribution and habitat
Symphyotrichum lentum is endemic to the salt marshes and wet grasslands of the Sacramento–San Joaquin River Delta in Northern California.Template:Sfn
Conservation
NatureServe lists it as Imperiled (G2) worldwide.Template:Sfn
Citations
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References
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External links
- Template:Jepson Manual.
- Template:CalPhotos.
- Aster lentus protologue in Manual of the Botany of the Region of San Francisco Bay by Edward Lee Greene.
- Symphyotrichum lentum datasheet from the Centre for Agriculture and Bioscience International (CABI) Invasive Species Compendium.