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Peck's threadleaf fleabane
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Piper's fleabane
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| 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 taproot and short, branched, woody base, the stem 3-10 cm. high and covered with short, stiff appressed hairs. |
Leaves both basal and cauline, linear or linear-filiform, 1-8 cm. long and 0.3-3 mm. wide, of uniform width. |
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. |
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 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. |
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| May-July |
May-June |
| Sagebrush plains, dry slopes, and grasslands. |
Dry, open places, often in sandy soil among sagebrush. |
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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Endemic to Washington, where occurring east of the Cascades crest from north-central to south-central Washington.
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| Native |
Native |
| Not of concern |
Not of concern |
E. acris, E. aliceae, E. annuus, E. aureus, E. basalticus, E. bloomeri, E. caespitosus, E. chrysopsidis, E. compositus, E. corymbosus, E. davisii, E. disparipilus, E. divergens, E. eatonii, E. elatus, E. flettii, E. glacialis, E. howellii, E. inornatus, E. karvinskianus, E. leibergii, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. philadelphicus, E. piperianus, E. poliospermus, E. pumilus, E. salishii, E. speciosus, E. strigosus, E. subtrinervis |
E. acris, E. aliceae, E. annuus, E. aureus, E. basalticus, E. bloomeri, E. caespitosus, E. chrysopsidis, E. compositus, E. corymbosus, E. davisii, E. disparipilus, E. divergens, E. eatonii, E. elatus, E. filifolius, E. flettii, E. glacialis, E. howellii, E. inornatus, E. karvinskianus, E. leibergii, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. philadelphicus, E. poliospermus, E. pumilus, E. salishii, E. speciosus, E. strigosus, E. subtrinervis |
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BC, 
CA, 
OR, 
WA
Flora NW, 
PNW Herbaria, 
WildflowerSearch
iNaturalist (observations)
USDA Plants Database
