Erigeron flettii |
Erigeron piperianus |
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Flett's fleabane, Olympic Mt. fleabane |
Piper's fleabane |
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Habit | Perennial from a stout, branched, woody base, 5-15 cm. high, the stem with sparse, spreading hairs. | Perennial from a taproot and short, branched, woody base, the stem 3-10 cm. high and covered with short, stiff appressed 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. |
Leaves mostly basal or lower-cauline, linear, lax and curved, up to 4 cm. long and 1.5 mm. wide, with short, stiff, sharp-pointed hairs on the margins and appressed- hairy on the surfaces, the lower leaves with conspicuously enlarged, hardened, whitish bases. |
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 solitary or few, small, the disk 5-10 mm. wide; involucre 3-5 mm. high, covered with long, white, stiff, spreading hairs; rays 25-40, pistillate, yellow, 4-9 mm. long and 1.0-1.8 mm. wide; disk corollas 2.8-4.2 mm. long, yellow; pappus of 15-25 capillary bristles. |
Fruits | Achene |
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Erigeron flettii |
Erigeron piperianus |
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Flowering time | June-August | May-June |
Habitat | Cliffs and other rocky places in the subalpine and alpine. | Dry, open places, often in sandy soil among sagebrush. |
Distribution | Occurring in the Olympic Mountains in Washington, where endemic.
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Endemic to Washington, where occurring east of the Cascades crest from north-central to south-central Washington.
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Origin | Native | Native |
Conservation status | Review Group 1 in Washington (WANHP) | Not of concern |
Sibling taxa | ||
Web links |