Burke: Anemone oregana vs. Anemone drummondii

	Anemone oregana	Anemone drummondii
	Oregon anemone, Oregon windflower	Drummond's anemone, Drummond's windflower
Habit	Perennial from scaly, stout, horizontal rhizomes, the flowering stems 1-3 dm. tall.	Stiff-hairy perennial from a branched, woody base, the stems 1-2 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.	Basal leaves numerous, the blades 2-4 cm. broad, 3-4 times ternate into segments 1-1.5 mm. broad; the flowering stem naked except for a whorl of 3 leaves near the midpoint, these similar to the basal leaves.
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.	Flowers usually single; sepals 6-9, white tinged with blue or lavender, ovate-oblong to narrowly oblanceolate, 10-20 mm. long, pubescent on the outer surface; petals none; stamens and pistils numerous.
Fruits	Achenes narrowly oblong, 4 mm. long, finely pubescent; style 0.5 mm. long, glabrous.	Achenes in a globose cluster, ovate, 2.5-4 mm. long, silky with hairs 3-5 mm. long; style straight, slender, 2-3.5 mm. long, glabrous.

	Anemone oregana	Anemone drummondii
Flowering time	March-June	June-August
Habitat	Moist, open woods, low to mid-elevations in the mountains, also in marshes and bogs along the coast.	Subalpine to alpine meadows.
Distribution	Occurring in forested areas on both sides of the Cascades crest in Washington; Washington to northern California. [WildflowerSearch map] [BONAP county map]	Occurring in the Olympic and Cascade Mountains in Washington; Alaska to California, east to Montana and Wyoming. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	A. deltoidea, A. drummondii, A. lyallii, A. multifida, A. occidentalis, A. parviflora, A. patens, A. piperi	A. deltoidea, A. lyallii, A. multifida, A. occidentalis, A. oregana, A. parviflora, A. patens, A. piperi
Subordinate taxa	A. oregana var. felix, A. oregana var. oregana	A. drummondii var. drummondii
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	Local floras: BC, OR, WA Local Web sites: 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

Anemone drummondii

Oregon anemone, Oregon windflower

Drummond's anemone, Drummond's windflower

Habit

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

Stiff-hairy perennial from a branched, woody base, the stems 1-2 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.

Basal leaves numerous, the blades 2-4 cm. broad, 3-4 times ternate into segments 1-1.5 mm. broad; the flowering stem naked except for a whorl of 3 leaves near the midpoint, these similar to the basal leaves.

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.

Flowers usually single;

sepals 6-9, white tinged with blue or lavender, ovate-oblong to narrowly oblanceolate, 10-20 mm. long, pubescent on the outer surface;

petals none;

stamens and pistils numerous.

Fruits

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