Burke: Eucephalus tomentellus vs. Eucephalus engelmannii

	Eucephalus tomentellus	Eucephalus engelmannii
		Engelmann's aster
Habit		Fibrous-rooted perennial usually from a stout rhizome, 5-15 dm. tall.
Leaves		Lowermost leaves reduced and scale-like, the others numerous and nearly alike, sessile, entire, lanceolate or lance-ovate to elliptic, 5-10 cm. long and 1.5-3.5 cm. wide, usually sub-glabrous.
Flowers		Inflorescence short, rounded; heads rather large, the involucre 8-12 mm. high, the bracts imbricate, with a prominent, keeled mid-vein, papery below, the outer pointed and greenish upward, the inner blunt-tipped with purplish, hairy margins; rays about 13, pinkish-purple or occasionally white, 1.5-2.5 cm. long.
Fruits		Achenes hairy throughout.

	Eucephalus tomentellus	Eucephalus engelmannii
Flowering time		June-September
Habitat		Open woods and slopes, from foothills to high elevations in the mountains.
Distribution	[WildflowerSearch map] [BONAP county map]	Occurring on both sides of the Cascades crest in Washington; British Columbia to Nevada, east to Alberta, Montana, Wyoming, and Colorado. [WildflowerSearch map] [BONAP county map]
Origin		Native
Conservation status		Not of concern
Sibling taxa	E. engelmannii, E. glaucescens, E. ledophyllus, E. paucicapitatus	E. glaucescens, E. ledophyllus, E. paucicapitatus
Web links	Local floras: CA, OR 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	Local floras: BC, CA, 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

Eucephalus tomentellus

Eucephalus engelmannii

Engelmann's aster

Habit

Fibrous-rooted perennial usually from a stout rhizome, 5-15 dm. tall.

Leaves

Lowermost leaves reduced and scale-like, the others numerous and nearly alike, sessile, entire, lanceolate or lance-ovate to elliptic, 5-10 cm. long and 1.5-3.5 cm. wide, usually sub-glabrous.

Flowers

Inflorescence short, rounded;

heads rather large, the involucre 8-12 mm. high, the bracts imbricate, with a prominent, keeled mid-vein, papery below, the outer pointed and greenish upward, the inner blunt-tipped with purplish, hairy margins;

rays about 13, pinkish-purple or occasionally white, 1.5-2.5 cm. long.

Fruits

Achenes hairy throughout.