Texas Wildbuds
Machaeranthera tanacetifolia
(Tansy-leaf Aster)
Machaeranthera tanacetifolia, Palo Duro Canyon State Park, Armstrong Co. 9829
Machaeranthera tanacetifolia, Canyon Rim Trail, Caprock Canyons State Park 7561
Machaeranthera tanacetifolia, Terlingua Creek, Brewster Co. 5763
Machaeranthera tanacetifolia, Santa Elena Canyon, Big Bend National Park 4523
Machaeranthera tanacetifolia, Lubbock Lake Landmark, Lubbock Co. 2801
Machaeranthera tanacetifolia, Lubbock Lake Landmark, Lubbock Co. 2517
Machaeranthera tanacetifolia, Palo Duro Canyon State Park, Armstrong Co. 9832
Machaeranthera tanacetifolia, Terlingua Creek, Brewster Co. 4766
| Scientific Name | Machaeranthera tanacetifolia | USDA PLANTS Symbol | MATA2 |
| Common Name | Tansy-leaf Aster, Tahoka Daisy | ITIS Taxonomic Serial No. | 38013 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description | Habitat: Sandy soils; plains, grasslands, streambeds and disturbed areas. Plant: Low, upright to widely sprawling annual, 4 to 16 inches tall, densely leafy. Leaves: Alternate, deeply twice-pinnatisect; 2 to 5 inches long overall; spine-tipped and sticky with small hairs; upper leaves less divided. Inflorescence: Solitary flower heads 1 to 2-1/2 inches across on peduncles up to 1-1/4 inches long; many leafy, recurved phyllaries with sticky hairs; blue-to-purple, narrow rays and yellow disk flowers. Bloom Period: April to October. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston and "Wildflowers of Texas" by Geyata Ajilvsgi. |
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 2025
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