Vascular Plants - Caryophyllaceae - Silene:
Silene armeria
sweet William silene, sweet william catchfly 
Blooms: June - July
Habit: herb
Duration: annual
Origin: Introduced from Europe
Distribution: Introduced as an ornmental and occasionally escaping throughout North America.
Habitat: Disturbed soil and wasteland.
Species Description:

General: Glabrous annual 1-7 dm. tall.
Leaves: Leaves opposite, sessile and somewhat clasping, the lower oblanceolate, becoming lanceolate above, 2-5 cm. long and 0.5-1.5 cm. wide.
Flowers: Flowers several to many in a flat-topped inflorescence; calyx narrowly tubular, 5-lobed, 13-17 mm. long, 10-nerved, glabrous; petals 5, pink, the claw 6-8 mm. long, the blade obovate, truncate, 4-7 mm. long; blade appendages 2, linear, 2-3 mm. long; stamens 10, styles 3.
Fruits: Capsule 3-celled.
Accepted Name:
Silene armeria L.
Synonyms:
(none)

Treated in Flora of the PNW as:
Silene armeria
Additional Resources:

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

WTU Herbarium Specimens: View list of Silene armeria specimens in the WTU Herbarium database.

Washington Flora Checklist: Silene armeria treatment.

E-Flora BC: Silene armeria atlas page.

CalPhotos: Silene armeria images.

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

Don Knoke, 2006

Don Knoke, 2006

Don Knoke, 2006

Don Knoke, 2006

Don Knoke, 2006

Richard Old

Richard Old

Richard Old
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Washington Native Plant Society
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