Erigeron poliospermus |
Erigeron salishii |
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hairy-seeded daisy, cushion fleabane |
Salish fleabane, star peak fleabane |
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Habit | Taprooted perennial with short-branched, woody base; stems to 15 cm. high; plants more or less spreading-hairy and glandular throughout. | 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 linear-oblanceolate to spatulate, up to 8 cm. long and 12 mm. wide, the cauline leaves reduced. |
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, hemispheric, the disk 9-20 mm. wide; involucre 5-9 mm. high; rays 15-45, pale pink or purple to deep violet, 4-15 mm. long and 1.3-3.6 mm. wide; pappus of 20-30 capillary 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 | Achenes densely covered with long, silky hairs. |
Achenes 2-2.6 mm. long, 2-nerved. |
Erigeron poliospermus |
Erigeron salishii |
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Flowering time | April-June | July-September |
Habitat | Dry, open, typically rocky areas, often with sagebrush. | Cliffs, ridges, ledges and gravelly slopes at mid- to high elevations in the mountains. |
Distribution | Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to western Idaho.
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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 | ||
Subordinate taxa | ||
Web links |
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