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weedy cudweed

cotton batting cudweed, cotton batting plant

Habit Plants annual, 1.5–4 dm. Plants annual or biennial, 1–8 dm.
Stems

floccose-tomentose, not glandular.

floccose-tomentose, not glandular.

Leaves

1.5–5 cm, broadly or narrowly linear to oblanceolate, bases clasping, not decurrent;

surfaces floccose-tomentose, not glandular.

1.5–12 cm, linear to lanceolate or oblanceolate, bases clasping, usually not decurrent;

surfaces floccose-tomentose, not glandular.

Involucres

3–4 mm.

4–6 mm.

Phyllaries

in 3–4 series, green or brownish;

surfaces glabrous.

in 4–5 series, white or brownish;

surfaces glabrous.

Fruits

0.3–0.5 mm, brown;

pappi white.

0.4–0.6 mm, brown;

pappi brownish.

Outer florets

130–160;

corolla tips red.

150–200;

corolla tips yellow.

Inner florets

5–10.

10–30.

2n

=14, 16, 28.

=28.

Pseudognaphalium luteoalbum

Pseudognaphalium stramineum

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

Riverbanks, roadsides, disturbed areas. Flowering May–Aug. 0–300 m. CR, Est, Sisk, WV. CA, NV, WA; southeast to FL, south to Mexico; Africa, Asia, Australia, Europe, Pacific Islands. Exotic.

Shrublands, grasslands, ocean bluffs, beaches, dunes, marshes, riverbanks, roadsides, disturbed areas. Flowering Feb–Oct. 0–1000 m. Casc, Col, CR, ECas, Est, Lava, Sisk, WV. CA, ID, NV, WA; north to British Columbia, northeast to MT, east to NE, southeast to TX, south to Mexico, NC, NY, SC, VA; South America. Native.

Source Flora of Oregon, volume 2, page 327
Kenton Chambers
Flora of Oregon, volume 2, page 327
Kenton Chambers
Sibling taxa
P. californicum, P. macounii, P. stramineum, P. thermale
P. californicum, P. luteoalbum, P. macounii, P. thermale
Synonyms Gnaphalium chilense, Gnaphalium stramineum
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