Symphyotrichum oblongifolium
(Aromatic Aster)
Symphyotrichum oblongifolium, Lake Brownwood State Park, Brown Co. 9264
Symphyotrichum oblongifolium, Lake Brownwood State Park, Brown Co. 9226
Symphyotrichum oblongifolium, Lake Brownwood State Park, Brown Co. 9233
Symphyotrichum oblongifolium, Lake Brownwood State Park, Brown Co. 9258
Symphyotrichum oblongifolium, Lake Brownwood State Park, Brown Co. 9238
Symphyotrichum oblongifolium, Lake Brownwood State Park, Brown Co. 9242
| Scientific Name | Symphyotrichum oblongifolium (Aster oblongifolius) | USDA PLANTS Symbol | SYOB |
| Common Name | Aromatic Aster | ITIS Taxonomic Serial No. | 522228 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description | Habitat: Dry, rocky, sandy, gravelly, or shaly soils; limestone soils; in prairies, pastures, open wooded areas and roadsides Plant: A bushy, compact, low-growing and colony-forming perennial 4 to 32 inches tall; multiple spreading or erect stems with light to dark brown surfaces, lower portions smooth, upper becoming glandular-hairy. Leaves: Lower and middle stem leaves are alternate, oblong and slightly clasping, up to 2 inches long, with hairy upper surfaces and rough glandular-hairy lower; upper stem leaves are alternate, lanceolate to oblong and sessile less than 3/8-inch long with moderately hairy to densely glandular surfaces. Inflorescence: Composite flower heads in open, diffuse arrays each 1 to 1-1/4 inches across, with 20 to 35 purple-blue ray florets and 30 to 40 yellow disk florets; bell-shaped involucre with 4 or 5 layers of pointed and recurved phyllaries with faces that are moderately hairy or glandular-hairy; spreading, leaf-like bracts subtend each head, linear to narrowly oblong, less than 1/3-inch long and grading into phyllaries. Blooming Period: September to November. References: Flora of North America, Illinois Wildflowers and Aster oblongifolius in "Manual of the Vascular Plants of Texas" by Correll and Johnston. |
BONAP Distribution Map Map Color Key |
Texas Status: Native |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2024