Erigeron flettii |
Erigeron corymbosus |
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Flett's fleabane, Olympic Mt. fleabane |
foothill fleabane, longleaf fleabane |
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Habit | Perennial from a stout, branched, woody base, 5-15 cm. high, the stem with sparse, spreading hairs. | Perennial with a tap-root, 1-5 dm. tall, sub-erect, generally purplish at the base, the herbage covered densely with short, spreading hairs. |
Leaves | Leaves mostly basal, spatulate to oblanceolate, up to 5 cm. long and 12 mm. wide, mostly glabrous, with a few hairs on the leaf margins. |
Basal leaves triple-nerved, elongate, acute, tapering gradually below, up to 25 cm. long including the petiole, and 1 cm. wide; cauline leaves reduced. |
Flowers | Heads solitary, the disk 10-15 mm. wide; involucre 6-8 mm. high, with a few soft hairs, and sometimes sticky; rays 25-50, white, 7-10 mm. long and 1.5-2.5 mm. wide; disk corollas yellow, 3.5-4.5 mm. long; pappus of 15-20 capillary bristles and numerous short, outer bristles. |
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. |
Fruits | Achene |
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Erigeron flettii |
Erigeron corymbosus |
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Flowering time | June-August | June-August |
Habitat | Cliffs and other rocky places in the subalpine and alpine. | Open, usually dry places, often among sagebrush. |
Distribution | Occurring in the Olympic Mountains in Washington, where endemic.
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Occurring east of the Cascades crest in Washington; southern British Columbia to eastern Oregon, east to Montana, Wyoming, and Utah.
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Origin | Native | Native |
Conservation status | Review Group 1 in Washington (WANHP) | Not of concern |
Sibling taxa | ||
Web links |