Pyrrocoma crocea |
Pyrrocoma racemosa |
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clustered goldenweed |
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Habit | Plants 20–80 cm. | |
Stems | erect or ascending, glabrous or lightly tomentose. |
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Basal leaves | broadly to narrowly lanceolate, oblong, or elliptic, 7–25 cm × 5–35 mm; margins entire or denticulate; surfaces glabrous. |
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Cauline leaves | reduced upwards, sessile or petiolate. |
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Involucres | 5–15 mm. |
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Ray florets | 7–35, conspicuous; corollas 5–12 mm. |
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Disc florets | 20–60; corollas 5–8 mm. |
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Phyllaries | in 3–6 series; margins entire, deltate to linear; surfaces glabrous or lightly tomentose. |
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Fruits | 2–5 mm, brown, puberulent; pappus bristles 6–8 mm. |
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Heads | 3–15 in raceme-like arrays, radiate; peduncles 0–25 mm. |
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Pyrrocoma crocea |
Pyrrocoma racemosa |
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Distribution | ||
Discussion | The three varieties of Pyrrocoma racemosa in Oregon are geographically separate but can be difficult to tell apart morphologically due to intergradation of various key morphological characteristics. |
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Source | Flora of Oregon, volume 2, page 331 Kenton Chambers |
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Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Haplopappus racemosus | |
Web links |