Herrickia glauca var. glauca
(Gray Aster)
Herrickia glauca var. glauca, Lower Cataract Lake, Summit Co. 8752/8757
Herrickia glauca var. glauca, Lower Cataract Lake, Summit Co. 8714
Herrickia glauca var. glauca, Lower Cataract Lake, Summit Co. 8774
Herrickia glauca var. glauca, Lower Cataract Lake, Summit Co. 8720
Herrickia glauca var. glauca, Lower Cataract Lake, Summit Co. 8725
| 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 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description |
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
Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County