Dieteria bigelovii
(Bigelow’s Tansy-aster)
Dieteria bigelovii, Great Sand Dunes National Park, Alamosa Co. 8766
Dieteria bigelovii, Four Mile Area, Chaffee Co. 9941
Dieteria bigelovii, Great Sand Dunes National Park, Alamosa Co. 8761
Dieteria bigelovii, Four Mile Area, Chaffee Co. 9944
Dieteria bigelovii, Great Sand Dunes National Park, Alamosa Co. 8770
Dieteria bigelovii, Great Sand Dunes National Park, Alamosa Co. 8756
| Scientific Name | Dieteria bigelovii (Machaeranthera bigelovii) | USDA PLANTS Symbol | MABI |
| Common Name | Bigelow's Tansy-aster, Tall Tansy-aster | ITIS Taxonomic Serial No. | 780287 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description |
Life zones and habitat: Foothills to subalpine (5000 to 11200 ft.); meadows, forest clearings, roadsides. Plant: Erect biennial or perennial, normally 2 to 3 feet tall, moderately branched stems. Leaves: Stem leaves alternate, sessile, and narrowly lanceolate to oblanceolate 0.2 to 0.6 inches wide and up to 7+ inches long with toothed edges. Inflorescence: Composite flower heads 1 to 2 inches arranged in terminal panicles, 12 to 60 purple rays, yellow disk florets; several rings of long, narrow, curving, green phyllaries underneath covered with glandular hairs and sticky secretions. Bloom period: June to October. References: "Flora of Colorado" by Jennifer Ackerfield, SEINet, American Southwest and SW Colorado Wildflowers. |
BONAP Distribution Map Map Color Key | Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains