Heterotheca villosa |
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hairy goldenaster |
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Habit | Plants perennial, 1–5+ dm; taprooted. |
Stems | not woody at base; surfaces lightly or densely pilose to strigose-hispid or tomentose, minutely glandular or not. |
Leaves | 1–6 cm, linear, broadly or narrowly lanceolate, oblanceolate, or oblong; surfaces strigillose or silky-puberulent, sometimes hispid, minutely glandular or not, proximally petiolate to distally sessile. |
Involucres | 5–10 mm. |
Ray florets | (7)10–30(35); corollas 4–11 mm. |
Disc florets | 10–50+; corollas 5–6 mm. |
Phyllaries | in 4–7 series; outer linear or elongatetriangular to lanceolate; surfaces usually strigillose; inner linear; surfaces glabrous to strigillose or hispid, sometimes minutely glandular. |
Fruits | 2–4 mm, strigillose-silky; pappus scales linear, 0.3–1 mm; bristles 6–7 mm; yellowish or brownish. |
Heads | 1–16(40), radiate; peduncles 1–5 cm. |
2n | =18, 36. |
Heterotheca villosa |
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Distribution | |
Discussion | North America. 8–9 varieties; 2 varieties treated in Flora. |
Source | Flora of Oregon, volume 2, page 286 Kenton Chambers |
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Subordinate taxa | |
Web links |
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