Vascular Plants - Caryophyllaceae - Eremogone:
Eremogone congesta
Page Author: Don Knoke
ballhead sandwort 
Blooms: June - August
Habit: herb
Duration: perennial
Origin: Native
Distribution: Okanogan County, Washington, south on the east side of the Cascades to Oregon and the Sierra Nevada of California, east to the Rockies.
Habitat: Sagebrush desert to alpine slopes.
Species Description:

General: Tufted, glabrous perennial from a branched, woody crown, forming mats up to 15 cm. broad, the flowering stems leafy, 1.5-4 dm. tall.
Leaves: Leaves linear, 1-nerved, 0.5-8 cm. long, the basal ones with bundles of secondary leaves in their axils.
Flowers: Flowers several to many, usually congested in a head-like cluster, occasionally more open; sepals 5, 1-nerved, broadly scarious-margined, thickened on the back at the base, 3-6 mm. long; petals 5, white, half again as long as the sepals; stamens 10; styles 3.
Fruits: Capsule equaling the sepals, firm-walled, opening by 6 teeth.
Subspecies & Varieties:
Accepted Name:
Eremogone congesta (Nuttall) Ikonnikov
Synonyms:
Arenaria congesta Nutt.

Treated in Flora of the PNW as:
Additional Resources:

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

WTU Herbarium Specimens: View list of Eremogone congesta specimens in the WTU Herbarium database.

Washington Flora Checklist: Eremogone congesta treatment.

E-Flora BC: Eremogone congesta atlas page.

CalPhotos: Eremogone congesta images.

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

Clayton J. Antieau, 1995

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik

Robert L. Carr, 2009

Robert L. Carr, 2009

Robert L. Carr, 2009

Robert L. Carr, 2009

Robert L. Carr, 2009

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2011

G. D. Carr, 2011

G. D. Carr, 2011

Ron Bockelman, 2011

Ron Bockelman, 2011

Ron Bockelman, 2011

Ron Bockelman, 2011

Ron Bockelman, 2011

Ron Bockelman, 2011

Ron Bockelman, 2010

Ron Bockelman, 2010

Ron Bockelman, 2010

Ron Bockelman, 2010

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012
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