Machaeranthera tanacetifolia

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Scientific Name Machaeranthera tanacetifolia USDA PLANTS Symbol MATA2
Common Name Tanseyleaf Aster, Tahoka Daisy ITIS Taxonomic Serial No. 38013
Family Asteraceae (Sunflower) SEINet
Reference
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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

Colorado Status:
Native

© Tom Lebsack 2021