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Gorge fleabane, Oregon fleabane
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annual fleabane, eastern daisy fleabane, sweet scabrous fleabane
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| Perennial from a stout, woody base and root, the lax stem 5-15 cm. long, covered with glands and loose, sticky hairs. |
Annual, 6-15 dm. tall, the stem with long, spreading hairs below the inflorescence. |
Basal leaves tufted, spatulate to obovate, coarsely toothed or incised, up to 9 cm. long and 2.5 cm. wide; cauline leaves well developed, broadly lanceolate to ovate or elliptic, up to 4 cm. long and 1 cm. wide. |
Leaves ample, generally toothed, the cauline leaves broadly lanceolate to ovate. |
Heads 1-several in a leafy inflorescence, the disk 9-13 mm. wide; involucre 5-7 mm. high, the bracts loose, equal, thin and green; rays 30-60, pink or white to bluish; disk corollas 3.4-4.7 mm. long, yellow; pappus simple, of 15-20 bristles that are curled and twisted above. |
Inflorescence large and usually leafy; involucre 3-5 mm. high, finely glandular and sparsely long-hairy; rays 80-125, white to lavender, 0.5-1 mm. wide and up to 10 mm. long; disk corollas 2-2.8 mm. long; pappus of 10-15 very fragile bristles and some short, bristly scales, the bristles wanting in the ray flowers. |
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| May-September |
June-September |
| Moist shady cliffs and ledges. |
Moist, disturbed areas from the lowlands to middle elevations. |
Occurring in the Columbia River Gorge in Washington; Columbia River Gorge in Washington to adjacent Gorge area in Oregon.
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Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho and Utah, not recorded for Montana, also from Great Plains east to the Atlantic.
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| Native |
Native? Introduced in OR, status as a native in BC uncertain |
| Threatened in Washington (WANHP) |
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. filifolius, E. flettii, E. glacialis, E. howellii, E. inornatus, E. karvinskianus, E. leibergii, E. linearis, E. lonchophyllus, E. nivalis, E. peregrinus, E. philadelphicus, E. piperianus, E. poliospermus, E. pumilus, E. salishii, E. speciosus, E. strigosus, E. subtrinervis |
E. acris, E. aliceae, 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. piperianus, 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
