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hairy goldenaster

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.

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.

Involucres

5–10 mm.

Ray florets

(7)10–30(35);

corollas 4–11 mm.

Disc florets

10–50+;

corollas 5–6 mm.

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.

Fruits

2–4 mm, strigillose-silky;

pappus scales linear, 0.3–1 mm;

bristles 6–7 mm; yellowish or brownish.

Heads

1–16(40), radiate;

peduncles 1–5 cm.

2n

=18, 36.

Heterotheca villosa

Heterotheca marginata

Distribution
[WildflowerSearch map]
[BONAP county map]
[BONAP county map]
Discussion

North America. 8–9 varieties; 2 varieties treated in Flora.

Source Flora of Oregon, volume 2, page 286
Kenton Chambers
Sibling taxa
H. oregona
H. oregona, H. villosa
Subordinate taxa
H. villosa var. minor, H. villosa var. villosa
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