Pyrrocoma crocea |
Pyrrocoma hirta |
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tacky goldenweed |
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Habit | Plants 10–60 cm. | |
Stems | erect or ascending, usually tomentose, lightly to densely stipitate glandular. |
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Basal leaves | lanceolate to oblong or elliptic, 3–20 cm × 5–35 mm; margins denticulate to sharply serrate-dentate; surfaces villous to tomentose, stipitate-glandular, sometimes ciliate. |
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Cauline leaves | bases broadly attenuate to truncate, sessile. |
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Involucres | 7–13 mm. |
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Ray florets | 10–30, conspicuous; corollas 6–12 mm. |
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Disc florets | 30–60; corollas 5–7 mm. |
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Phyllaries | in 3–5 series, narrowly lanceolate to linear; margins entire; surfaces tomentose to scabrous and gland-dotted. |
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Fruits | 3–4.5 mm, brown, puberulent; pappus bristles 5–7 mm. |
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Heads | 3–7 in raceme-like arrays, radiate; peduncles 5–50 mm. |
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2n | =12, 24. |
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Pyrrocoma crocea |
Pyrrocoma hirta |
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Distribution | ||
Discussion | Conifer forests, shrublands, grasslands, roadsides. Flowering Jun–Aug. 400–1900 m. BR, BW, ECas. CA, ID, WA; southeast to UT. Native. |
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Source | Flora of Oregon, volume 2, page 330 Kenton Chambers |
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Sibling taxa | ||
Synonyms | Haplopappus hirtus, Haplopappus hirtus ssp. hirtus, Haplopappus hirtus ssp. lanulosus, Haplopappus hirtus ssp. sonchifolius, Haplopappus hirtus var. hirtus, Haplopappus hirtus var. lanulosus, Haplopappus hirtus var. sonchifolius, Haplopappus subviscosus, Pyrrocoma hirta var. hirta, Pyrrocoma hirta var. lanulosa, Pyrrocoma hirta var. sonchifolia, Pyrrocoma lanceolata var. subviscosa | |
Web links |
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