Eriophyllum lanatum |
Eriophyllum lanatum var. lanatum |
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Oregon sunshine, woolly sunflower |
eastern woolly sunflower |
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Habit | Herbs perennial, 1–6 dm. | |
Stems | not woody. |
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Leaves | opposite; proximal often alternate, 1–8 cm; surfaces woolly-pubescent, or adaxially glabrate and green, sessile or petiolate. |
upper alternate; margins revolute. |
Involucres | 3–11 mm. |
10–15 mm in diameter. |
Ray florets | (0)5–15; corollas 5–20 mm, yellow. |
(8)11–13; rays 10–20 mm. |
Disc florets | 20–200. |
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Phyllaries | in 2–3 equal series; lance-linear, woolly tomentose. |
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Fruits | 2–5 mm, brown, pappi of 6–12 erose or lacerate scales, 0.3–2 mm. |
3.5–5 mm. |
Heads | solitary or few in open panicle-like arrays; peduncles 3–30 cm, woolly-tomentose. |
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2n | =16, 32. |
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Eriophyllum lanatum |
Eriophyllum lanatum var. lanatum |
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Distribution | ||
Discussion | 10 varieties; 6 varieties treated in Flora. |
Coniferous forests, sagebrush scrub, grasslands, riverbanks, subalpine slopes. Flowering May–Aug. 1000–2500 m. BW, Lava. ID, WA; northeast to MT. Native. This variety intergrades with variety integrifolium. Reports of variety lanatum from west of the Cascades are now referred to variety leucophyllum. |
Source | Flora of Oregon, volume 2, page 263 Kenton Chambers |
Flora of Oregon, volume 2, page 264 Kenton Chambers |
Sibling taxa | ||
Subordinate taxa | ||
Web links |
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