>

Machaeranthera tanacetifolia [Asteraceae]

Click on the images below to see larger versions.

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
Click Here
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

Texas Status:
Native

© Tom Lebsack 2021