Erigeron corymbosus |
Erigeron lonchophyllus |
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foothill fleabane, longleaf fleabane |
short-rayed fleabane, spear-leaved fleabane |
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Habit | Perennial with a tap-root, 1-5 dm. tall, sub-erect, generally purplish at the base, the herbage covered densely with short, spreading hairs. | Weak-rooted biennial or short-lived perennial, erect, 2-60 cm. tall, the stem covered with spreading, short, stiff, blunt hairs. |
Leaves | Basal leaves triple-nerved, elongate, acute, tapering gradually below, up to 25 cm. long including the petiole, and 1 cm. wide; cauline leaves reduced. |
Basal leaves oblanceolate, up to 15 cm. long and 12 mm. wide; cauline leaves linear, often elongate. |
Flowers | Heads 1-16 in an open inflorescence; involucres 5-7 mm. high, grey-hairy, its bracts somewhat imbricate; rays 35-65, pistillate, deep blue or occasionally pink, 7-13 mm. long; pappus double, the inner of 20-30 bristles. |
Peduncles erect, the lower heads surpassed by the subtending leaves, or the heads solitary; involucre 4-9 mm. high, hairy but not glandular, its bracts imbricate, pointed and purple-tipped; pistillate flowers numerous, with erect, inconspicuous white rays 2-3 mm. long and 0.25-0.5 mm. wide; disk corollas 3.5-5 mm. long, shorter than the 20-30 pappus bristles. |
Erigeron corymbosus |
Erigeron lonchophyllus |
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Flowering time | June-August | July-August |
Habitat | Open, usually dry places, often among sagebrush. | Streambanks, bogs, ponds, wet meadows, ditches, gravelly places along roads at middle to high elevations. |
Distribution | Occurring east of the Cascades crest in Washington; southern British Columbia to eastern Oregon, east to Montana, Wyoming, and Utah.
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Occurring east of the Cascades crest in northern Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and eastern Canada.
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Origin | Native | Native |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Web links |
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