Erigeron basalticus |
Erigeron eatonii |
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basalt fleabane |
Eaton's fleabane |
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Habit | Several stems from a perennial taproot, sprawling, branched and leafy, especially near the tip. | Perennial from a tap-root, 5-30 cm. tall, the stems decumbent and purplish at the base, with appressed hairs. |
Leaves | Leaves with stiff, blunt hairs and fine glands, wedge-shaped to obovate, up to 4 cm. long and 1.5 cm. wide, deeply tri-lobed, the lobes broad. |
Basal leaves tufted, narrow, acute, gradually tapering to the petiole; cauline leaves several, conspicuously reduced. |
Flowers | Heads terminating the branches, the disk 8-12 mm. wide; involucre 5-6 mm. high, densely glandular; rays 25-30, light pink or pinkish-purple, 5-7 mm. long and 1.5 mm. wide; disk corollas 3-4 mm. long, pale yellow; pappus of 10-15 capillary bristles. |
Heads solitary or up to 7 in an open inflorescence; involucres 5-7 mm. high; rays 20-50, pistillate, white, 5-10 mm. long and 1-3 mm. wide; disk corollas 3.5-5 mm. long, yellow; inner pappus bristles 15-20, outer obscure. |
Erigeron basalticus |
Erigeron eatonii |
|
Flowering time | May-July | May-July |
Habitat | Cliff crevices in rocky canyons. | Grasslands, sagebrush, dry slopes, and forest openings at low to middle elevations. |
Distribution | Occurring east of the Cascades crest where endemic to Kittitas and Yakima counties in Washington.
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Occurring east of the Cascades crest in central and southeastern Washington; central Washington to California, east to the Rocky Mountains.
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Origin | Native | Native |
Conservation status | Threatened in Washington (WANHP) | Not of concern |
Sibling taxa | ||
Subordinate taxa | ||
Web links |