Symphyotrichum ericoides |
Symphyotrichum pilosum |
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heath-leaved aster, tufted white prairie aster |
hairy aster |
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Habit | Fibrous-rooted perennial from a crown or rhizomes, the stems clustered, 3-20 dm. tall; herbage rough with usually spreading hairs. | |
Leaves | Leaves opposite, numerous, firm, linear, often spine-tipped, up to 7 cm. long and 5 mm. wide. |
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Flowers | Heads numerous, small, the disk only 4-8 mm. wide, somewhat one-sided on the ascending branches; involucre 4-6 mm. high, its bracts imbricate, the outer with green tips, obtuse or rounded, spine-tipped; rays white, 15-25, 3-8 mm. long. |
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Fruits | Achene |
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Symphyotrichum ericoides |
Symphyotrichum pilosum |
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Flowering time | July-September | August-October |
Habitat | Open, wet or dry places in the valleys and plains; tolerant of alkali. | River cobbles, gravel, disturbed ground, and railroads. |
Distribution | Occurring chiefly east of the Cascades crest in Washington; southern British Columbia to Oregon, east to the Rocky Mountains, and further east across Canada and most of North America to the Atlantic Coast.
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Occurring in scattered locations east of the Cascades crest in Washington; southwestern British Columbia to Washington, otherwise native from the U.S. Great Plains east to the Atlantic Coast.
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Origin | Native | Introduced from central and eastern North America |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Subordinate taxa | ||
Web links |
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