Burke: Anemone oregana

	Anemone oregana
	Oregon anemone, Oregon windflower
Habit	Perennial from scaly, stout, horizontal rhizomes, the flowering stems 1-3 dm. tall.
Leaves	Basal leaves single, trifoliate, the leaflets once or twice shallowly lobed and remotely serrate; the flowering stem naked except for a whorl of 3 leaves near the top, these trifoliate, petiolate, the leaflets up to 8 cm. long, the lateral pair deeply lobed, all remotely toothed.
Flowers	Flowers single; sepals usually 5, ovate-oblong, 12-20 mm. long, usually blue to blue-violet, but occasionally white or pinkish; petals none; stamens 35-100; pistils numerous.
Fruits	Achenes narrowly oblong, 4 mm. long, finely pubescent; style 0.5 mm. long, glabrous.

	Anemone oregana
Flowering time	March-June
Habitat	Moist, open woods, low to mid-elevations in the mountains, also in marshes and bogs along the coast.
Distribution	Occurring in forested areas on both sides of the Cascades crest in Washington; Washington to northern California. [WildflowerSearch map] [BONAP county map]
Origin	Native
Conservation status	Not of concern
Sibling taxa	A. deltoidea, A. drummondii, A. lyallii, A. multifida, A. occidentalis, A. parviflora, A. patens, A. piperi
Subordinate taxa	A. oregana var. felix, A. oregana var. oregana
Web links	Local floras: OR, WA Local Web sites: Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Anemone oregana

Oregon anemone, Oregon windflower

Habit

Perennial from scaly, stout, horizontal rhizomes, the flowering stems 1-3 dm. tall.

Leaves

Basal leaves single, trifoliate, the leaflets once or twice shallowly lobed and remotely serrate; the flowering stem naked except for a whorl of 3 leaves near the top, these trifoliate, petiolate, the leaflets up to 8 cm. long, the lateral pair deeply lobed, all remotely toothed.

Flowers

Flowers single;

sepals usually 5, ovate-oblong, 12-20 mm. long, usually blue to blue-violet, but occasionally white or pinkish;

petals none;

stamens 35-100;

pistils numerous.

Fruits

Achenes narrowly oblong, 4 mm. long, finely pubescent;

style 0.5 mm. long, glabrous.