Vascular Plants - Caryophyllaceae - Silene:
Silene noctiflora
nightflowering silene, night-flowering catchfly 
Blooms: June - August
Habit: herb
Duration: annual
Origin: Introduced from Europe
Distribution: Introduced in much of the United States; more common east of the Cascades in Washington.
Habitat: Grain fields and waste areas.
Species Description:

General: Annual with 1-3 simple or branched stems, 2-6 dm. tall, stiff-hairy throughout and glandular-pubescent above.
Leaves: Leaves opposite, ovate-lanceolate to elliptic-oblanceolate, 5-12 cm. long and up to 4 cm. broad, the lower ones long-petiolate, the upper sub-sessile.
Flowers: Flowers few to several in an open inflorescence, the pedicels 3-30 mm. long; calyx 5–lobed, tubular, 15 mm. long at flowering, much enlarged in fruit, 10-nerved, the lobes lance-linear, 5-9 mm. long; petals 5, white to pinkish, glabrous, the claw 12-25 mm. long, auriculate above, the blade 7-10 mm. long, bi-lobed less than half the length; blade appendages 2, 0.5-1.5 mm. long and broad; stamens 10; styles 3. Flowers open at dusk.
Fruits: Capsule 3-celled.
Accepted Name:
Silene noctiflora L.
Synonyms:
Melandrium noctiflorum (L.) Fries

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

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

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

Washington Flora Checklist: Silene noctiflora treatment.

E-Flora BC: Silene noctiflora atlas page.

CalPhotos: Silene noctiflora images.

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

Don Knoke, 2005

Don Knoke, 2005

Don Knoke, 2005

Joe DiTomaso

Joe DiTomaso

Joe DiTomaso

Ian Morrison

Ian Morrison

Ian Morrison

Ian Morrison
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Washington Native Plant Society
WA Native Plant Society