Vascular Plants - Caryophyllaceae - Cerastium:
Cerastium arvense
Page Author: David Giblin
field chickweed 
Blooms: April-August
Habit: herb
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.

Distribution: Both sides of the Cascades and in the Blue Mountains in Washington. Widely distributed throughout North America.
Habitat: Coastal cliffs to inland valleys, rocky hillsides, subalpine meadows.
Species Description:

General: Tufted perennial, often forming loose mats to 4 dm. broad, glabrous to glandular-pubescent, the flowering stems 5-50 cm. tall.
Leaves: Leaves opposite, linear to narrowly lanceolate, 1-nerved, 1-3 cm. long; cauline leaves often with bundles of secondary leaves in their axils.
Flowers: Flowers 3 to 5 or more in an open inflorescence; pedicels slender, erect, 1-3 cm. long; sepals 5, 4-6 mm. long, with stalked glands; petals 5, white, twice as long as the sepals, deeply bi-lobed-obcordate; stamens 10; styles 5.
Fruits: Capsule membranous, cylindric, slightly curved, 1.5 times as long as the sepals, opening by 10 teeth.
Subspecies & Varieties:
Accepted Name:
Cerastium arvense L.
Synonyms:
(none)

Treated in Flora of the PNW as:
Cerastium arvense
Additional Resources:

PNW Herbaria Specimens: View list of all Cerastium arvense specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Cerastium arvense specimens in the WTU Herbarium database.

Washington Flora Checklist: Cerastium arvense treatment.

E-Flora BC: Cerastium arvense atlas page.

CalPhotos: Cerastium arvense images.

USDA Plants Database: Cerastium arvense.
Additional photographs of Cerastium arvense:
(click on a thumbnail to view larger photo)

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Clayton J. Antieau, 1995

Jim Riley

Dana Visalli

Dana Visalli

Dana Visalli

Tim Hagan, 2003

G. D. Carr, 2007

G. D. Carr, 2007

G. D. Carr, 2007

G. D. Carr, 2007

G. D. Carr, 2007

G. D. Carr, 2006

G. D. Carr, 2006

Douglas Houck, 2009

Rod Gilbert, 2005

Rod Gilbert, 2003

Rod Gilbert, 2007

Paul Slichter, 2009

Paul Slichter, 2009

Paul Slichter, 2009

Paul Slichter, 2009

Paul Slichter, 2009

Paul Slichter, 2009

Ray Izumi, 2010

Ray Izumi, 2010

Ray Izumi, 2010

Ray Izumi, 2010

Ray Izumi, 2011

Ray Izumi, 2011

Douglas Houck, 2012

Douglas Houck, 2012

Ron Bockelman, 2013

Ron Bockelman, 2013

Ron Bockelman, 2013

Ron Bockelman, 2013

Gary Brill, 2014

Susan McDougall, 2015

Susan McDougall, 2015

Gary Brill, 2015

Craig Althen, 2010

Craig Althen, 2010

Craig Althen, 2011
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Washington Native Plant Society
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