UW Burke Herbarium species comparison

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Eremogone congesta

Eremogone ursina

ballhead sandwort, capitate sandwort
Habit 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.

Eremogone congesta

Eremogone ursina
Flowering time June-August
Habitat Sagebrush desert to alpine slopes.
Distribution
Occurring east of the Cascades crest in Washington; Washington to California, east to the Rocky Mountains.
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[BONAP county map]
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Origin Native
Conservation status Not of concern
Sibling taxa
E. aculeata, E. capillaris, E. franklinii
E. aculeata, E. capillaris, E. congesta, E. franklinii
Subordinate taxa
E. congesta var. cephaloidea, E. congesta var. congesta, E. congesta var. prolifera
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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