Erigeron filifolius |
Erigeron pumilus |
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Peck's threadleaf fleabane |
shaggy fleabane |
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Habit | Perennial from a taproot and branched, short woody base, 1-5 dm. tall, the stem densely covered with fine, appressed hairs aligned in one direction. | Perennial from a woody base and taproot, the stem 5-50 cm. tall, the herbage copiously spreading-hairy. |
Leaves | Leaves both basal and cauline, linear or linear-filiform, 1-8 cm. long and 0.3-3 mm. wide, of uniform width. |
Leaves basal and cauline, oblanceolate to linear-oblanceolate, up to 8 cm. long and 8 mm. wide. |
Flowers | Heads solitary or several; involucre 4-6 mm. high, with fine, soft hairs or small glands or both; rays 15-125, blue, pink or white, 3-13 mm. long and 1-2 mm. wide; pappus of 20-30 simple hairs. |
Heads several, the disk 7-15 mm. wide; involucre 4-7 mm. high, the bracts narrow, spreading-hairy; rays 50-100, 0.7-1.5 mm. wide, usually white, occasionally pale blue or pink; disk corollas 3.5-5 mm. long, slender, yellow but paler below; pappus of capillary bristles, with an outer row of shorter bristles. |
Fruits | Achenes slightly hairy. |
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Erigeron filifolius |
Erigeron pumilus |
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Flowering time | May-July | May-July |
Habitat | Sagebrush plains, dry slopes, and grasslands. | Open places in the foothills, valleys and plains, often among sagebrush. |
Distribution | Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to California, east to Montana, Idaho, and Utah.
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Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Great Plains.
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Origin | Native | Native |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Subordinate taxa | ||
Web links |
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