Pyrrocoma lanceolata |
Pyrrocoma hirta |
|
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lanceleaf goldenweed |
tacky goldenweed |
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Habit | Plants 5–60 cm. | Plants 10–60 cm. |
Stems | erect or decumbent-ascending, glabrous to lightly tomentose. |
erect or ascending, usually tomentose, lightly to densely stipitate glandular. |
Basal leaves | broadly or narrowly lanceolate to oblong or elliptic, rarely linear, 3–30 cm × 3–25 mm; surfaces glabrous or villous-tomentose; margins entire to denticulate or sharply serrate-dentate. |
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. |
Cauline leaves | reduced distally, usually sessile. |
bases broadly attenuate to truncate, sessile. |
Involucres | 4–11 mm. |
7–13 mm. |
Ray florets | 10–45, conspicuous; corollas 5–10 mm. |
10–30, conspicuous; corollas 6–12 mm. |
Disc florets | 20–100; corollas 5–10 mm. |
30–60; corollas 5–7 mm. |
Phyllaries | usually in 3–5 series, deltate to linear; margins entire; surfaces glabrous or villous. |
in 3–5 series, narrowly lanceolate to linear; margins entire; surfaces tomentose to scabrous and gland-dotted. |
Fruits | 3.5–4.5 mm, brown, puberulent; pappus bristles 5–7 mm. |
3–4.5 mm, brown, puberulent; pappus bristles 5–7 mm. |
Heads | 5–20(30) in corymb- or panicle-like arrays, radiate; peduncles 5–70 mm. |
3–7 in raceme-like arrays, radiate; peduncles 5–50 mm. |
2n | =12, 24, 36. |
=12, 24. |
Pyrrocoma lanceolata |
Pyrrocoma hirta |
|
Distribution | ||
Discussion | Conifer forests, shrublands, alkaline meadows, dry lake beds, sand dunes, disturbed areas. Flowering Jun–Aug. 700–2000 m. BR, BW, ECas, Owy. CA, ID, NV; northeast to Saskatchewan, east to WY, southeast to CO. Native. |
Conifer forests, shrublands, grasslands, roadsides. Flowering Jun–Aug. 400–1900 m. BR, BW, ECas. CA, ID, WA; southeast to UT. Native. |
Source | Flora of Oregon, volume 2, page 331 Kenton Chambers |
Flora of Oregon, volume 2, page 330 Kenton Chambers |
Sibling taxa | ||
Synonyms | Haplopappus lanceolatus, Haplopappus lanceolatus ssp. lanceolatus, Haplopappus lanceolatus ssp. tenuicaulis, Pyrrocoma lanceolata var. lanceolata | 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 |
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