Erigeron caespitosus |
Erigeron salishii |
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tufted fleabane |
Salish fleabane, star peak fleabane |
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Habit | Herbaceous perennial from a stout taproot, the stems curved at the base, 5-30 cm. tall; herbage densely pubescent with short, spreading hairs. | Perennial from a taproot and branched crown, forming dense cushions, the simple, erect, scape-like stems 1.5-7 cm. high, pubescent. |
Leaves | Basal leaves oblanceolate to spatulate, rounded or obtuse, triple-nerved; cauline leaves linear to ovate-oblong. |
Leaves all basal on slender petioles; leaf blades obovate-spatulate, 3-16 mm. long and 3-6 mm. wide, the bases abruptly expanded, the margins usually with 3 rounded lobes and marginal hairs, the faces with stiff hairs. |
Flowers | Heads solitary to several; involucre 4-7 mm. high, imbricate, glandular and short grey-hairy, the bracts narrow and thickened on the back; rays pistillate, 30-100, blue, white or pink, 5-15 mm. long; disk flowers yellow; pappus double, the outer short, the inner of 15-25 bristles. |
Heads solitary, the involucres 8-11 mm long, the bracts in 2-3 series, usually purplish, especially the tips; ray flowers 15-32, white to bluish, 6-10 mm. long, spreading; disk flowers yellow; pappus of capillary bristles |
Fruits | Achene |
Achenes 2-2.6 mm. long, 2-nerved. |
Erigeron caespitosus |
Erigeron salishii |
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Flowering time | June-August | July-September |
Habitat | Dry, open, and often rocky places in sagebrush | Cliffs, ridges, ledges and gravelly slopes at mid- to high elevations in the mountains. |
Distribution | Occurring east of the Cascades crest in Washington; Alaska to Washington, Idaho, Utah, and Arizona, east to the northern Great Plains.
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Ocurring east of the Cascades crest in the North and Central Cascade Mountains in Washington; southwestern British Columbia to central Washington.
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Origin | Native | Native |
Conservation status | Not of concern | Sensitive in Washington (WANHP) |
Sibling taxa | ||
Web links |