Heterotheca villosa |
Heterotheca villosa var. minor |
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hairy goldenaster |
hispid 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. |
minutely glandular-puberulent. |
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. |
distal minutely glandular puberulent. |
Involucres | 5–10 mm. |
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Ray florets | (7)10–30(35); corollas 4–11 mm. |
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Disc florets | 10–50+; corollas 5–6 mm. |
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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. |
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Fruits | 2–4 mm, strigillose-silky; pappus scales linear, 0.3–1 mm; bristles 6–7 mm; yellowish or brownish. |
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Heads | 1–16(40), radiate; peduncles 1–5 cm. |
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2n | =18, 36. |
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Heterotheca villosa |
Heterotheca villosa var. minor |
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Distribution | ||
Discussion | North America. 8–9 varieties; 2 varieties treated in Flora. |
Pine woodlands, brushlands, grasslands, riverbanks, dry slopes, roadsides. Flowering May–Sep. 50–1700 m. BW, Col, ECas, Lava, Sisk. CA, ID, NV, WA; north to British Columbia, northeast to Manitoba, east to WI, southeast to NM. Native. The minute glandular trichomes of this variety are difficult to distinguish without high magnification. However, because of them, the plants may feel viscid to the touch. |
Source | Flora of Oregon, volume 2, page 286 Kenton Chambers |
Flora of Oregon, volume 2, page 286 Kenton Chambers |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Chrysopsis villosa var. hispida, Chrysopsis villosa var. viscida, Heterotheca villosa var. hispida | |
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