|Scientific Name||Herrickia glauca var. glauca (Eurybia glauca var. glauca)||USDA PLANTS Symbol||EUGLG2|
|Common Name||Gray Aster, Gray's Aster||ITIS Taxonomic Serial No.||708192|
Life zones and habitat: Foothills and montane (5000 to 10000 ft.); open, rocky slopes, sandy locations, forest margins.
Plant: Erect perennial growing in colonies with simple or branched, mostly hairless stems 8 to 28 inches tall.
Leaves: Greyish-green, smooth, alternate, oblong to lanceolate leaves, tapering to a sharp point, 1-1/2 to 4-3/4 inches long; sessile with entire margins.
Inflorescence: Loose corymbiform arrays of many composite flower heads, each about 1 to 1-3/4 inches across, 8 to 19 light purple or lavender rays around a center of 12 to 32 disk florets, yellow later reddish; bell-shaped, hairless and glandless involucre with 4 to 5 rows of phyllaries pressed tightly around the body, outer one green, inner purplish.
Blooming period: July to September.
References: American Southwest, Montana Field Guide and "Flora of Colorado" by Jennifer Ackerfield.
|BONAP Distribution Map
© Tom Lebsack 2022
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County