|Scientific Name||Machaeranthera tanacetifolia||USDA PLANTS Symbol||MATA2|
|Common Name||Tanseyleaf Aster, Tahoka Daisy||ITIS Taxonomic Serial No.||38013|
|Description|| Life zones and habitat: Plains and Foothills (3400 to 7000 ft.); sandy, rocky soils.
Plant: Low, upright to widely sprawling annual or biennial, 2 to 40 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: May to September.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Flora of Colorado" by Jennifer Ackerfield and SEINet.
|BONAP Distribution Map
© Tom Lebsack 2022
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County