OregonFlora: Psilocarphus oregonus

	Psilocarphus oregonus
	Oregon woollyheads
Habit	Plants 1–10 cm.
Stems	often much branched from base and clump-forming.
Cauline leaves	3–18 mm, linear or narrowly oblanceolate, mostly 6–12 × as long as wide.
Receptacles	unlobed.
Fruits	cylindric, 0.6–1.2 mm, brown.
Heads	largest 4–6 mm in diameter.
Outer paleae	20–80, 1.5–2.7 mm.
Inner corollas	0.7–1.4 mm; lobes usually 4.

	Psilocarphus oregonus
Distribution	[WildflowerSearch map] [BONAP county map]
Discussion	Openings in forests, woodlands, shrublands, grasslands, dry beds of vernal pools. Flowering May–Jul. 100–1900 m. BR, ECas, Sisk, WV. CA, ID, NV, WA. Native.
Source	Flora of Oregon, volume 2, page 329 Kenton Chambers
Sibling taxa	P. brevissimus, P. elatior, P. tenellus
Web links	Local floras: CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Psilocarphus oregonus

Oregon woollyheads

Habit

Plants 1–10 cm.

Stems

often much branched from base and clump-forming.

Cauline leaves

3–18 mm, linear or narrowly oblanceolate, mostly 6–12 × as long as wide.

Receptacles

unlobed.

Fruits

cylindric, 0.6–1.2 mm, brown.

Heads

largest 4–6 mm in diameter.

Outer paleae

20–80, 1.5–2.7 mm.

Inner corollas

0.7–1.4 mm;

lobes usually 4.

Psilocarphus oregonus

Distribution

[WildflowerSearch map]

[BONAP county map]

Discussion

Openings in forests, woodlands, shrublands, grasslands, dry beds of vernal pools. Flowering May–Jul. 100–1900 m. BR, ECas, Sisk, WV. CA, ID, NV, WA. Native.

Source

Flora of Oregon, volume 2, page 329
Kenton Chambers

Sibling taxa

P. brevissimus, P. elatior, P. tenellus

Web links