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lanceleaf goldenweed

tacky goldenweed

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
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
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
P. carthamoides, P. hirta, P. howellii, P. racemosa, P. radiata, P. scaberula, P. uniflora
P. carthamoides, P. howellii, P. lanceolata, P. racemosa, P. radiata, P. scaberula, P. uniflora
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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