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linear pyrrocoma, marsh goldenweed, thinleaf goldenweed

Habit Plants 5–20 cm.
Stems

erect or decumbent-ascending, villous-tomentose.

Basal leaves

linear, 3–12 cm × 2–5 mm;

margins entire;

surfaces glabrous or villous-tomentose.

Cauline leaves

bases widened, sessile.

Involucres

7–11 mm.

Ray florets

20–50, conspicuous;

corollas 5–10 mm.

Disc florets

30–60;

corollas 5–8 mm.

Phyllaries

in 3–5 series, narrowly lanceolate to elliptic or linear;

margins entire;

surfaces tomentose.

Fruits

2–4 mm, brown, puberulent;

pappus bristles 3–4 mm.

Heads

solitary, radiate;

peduncles 10–80 mm.

Pyrrocoma crocea

Pyrrocoma howellii

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

Shrublands, grasslands, marshes, dry river beds. Flowering May–Jul. 1400–2800 m. BR, Owy. ID, NV. Native.

Source Flora of Oregon, volume 2, page 331
Kenton Chambers
Sibling taxa
P. carthamoides, P. hirta, P. howellii, P. lanceolata, P. racemosa, P. radiata, P. scaberula, P. uniflora
P. carthamoides, P. hirta, P. howellii, P. lanceolata, P. racemosa, P. radiata, P. scaberula, P. uniflora
Synonyms Haplopappus uniflorus ssp. howellii, Haplopappus uniflorus ssp. linearis, Haplopappus uniflorus var. howellii, Pyrrocoma linearis
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