Burke: Dieteria canescens

	Dieteria canescens
	hoary-aster
Habit	Biennial or short-lived perennial from a tap-root, 1-5 dm. tall, branched and several-stemmed, covered with fine, gray hairs.
Leaves	Basal leaves linear-oblanceolate to spatulate, up to 10 cm. long including the petiole, and 15 mm. wide, often deciduous; cauline leaves smaller, linear; all leaves toothed, the teeth tipped with small spines.
Flowers	Heads fairly numerous in an open inflorescence; involucre 6-10 mm. high, often glandular, its bracts imbricate and narrow, papery, except the tip green and sharply recurved; rays 8-25, bright bluish-purple, 5-12 mm. long; pappus of capillary bristles.
Fruits	Achenes 3-4 mm. long, several-nerved.

	Dieteria canescens
Flowering time	July-October
Habitat	Dry, open places in the plains and foothills, occasionally extending into the mountains.
Distribution	Occurring east of the Cascades crest in Washington; southern British Columbia to southern California, east to the Great Plains. [WildflowerSearch map] [BONAP county map]
Origin	Native
Conservation status	Not of concern
Subordinate taxa	D. canescens var. incana
Web links	Local floras: BC, 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

hoary-aster

Habit

Biennial or short-lived perennial from a tap-root, 1-5 dm. tall, branched and several-stemmed, covered with fine, gray hairs.

Leaves

Basal leaves linear-oblanceolate to spatulate, up to 10 cm. long including the petiole, and 15 mm. wide, often deciduous;

cauline leaves smaller, linear; all leaves toothed, the teeth tipped with small spines.

Flowers

Heads fairly numerous in an open inflorescence;

involucre 6-10 mm. high, often glandular, its bracts imbricate and narrow, papery, except the tip green and sharply recurved;

rays 8-25, bright bluish-purple, 5-12 mm. long;

pappus of capillary bristles.

Fruits

Achenes 3-4 mm. long, several-nerved.

Flowering time

July-October

Habitat

Dry, open places in the plains and foothills, occasionally extending into the mountains.

Distribution

Occurring east of the Cascades crest in Washington; southern British Columbia to southern California, east to the Great Plains.

Origin

Native

Conservation status

Not of concern

Subordinate taxa

Web links

Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.

Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

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