Atocion armeria
sweet William catchfly
WTU images
WTU specimens
Other herbaria

Distribution: Introduced as an ornmental and occasionally escaping throughout North America.

Habitat: Disturbed soil and wasteland.

Flowers: June - July

Origin: Introduced

Conservation Status: Not of concern


Glabrous annual 1-7 dm. tall.


Leaves opposite, sessile and somewhat clasping, the lower oblanceolate, becoming lanceolate above, 2-5 cm. long and 0.5-1.5 cm. wide.


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.


Capsule 3-celled.

Accepted Name:
Atocion armeria (L.) Raf.

Synonyms & Misapplications:
Silene armeria L. [FNA5, HC]
Additional Resources:

PNW Herbaria: Specimen records of Atocion armeria in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Atocion armeria checklist entry.

E-Flora BC: Atocion armeria atlas page.

CalPhotos: Atocion armeria photos.

USDA Plants: Atocion armeria information.

8 photographs:
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