Names
Scientific Name: Machaeranthera pinnatifida
Synonym: Xanthisma spinulosum, Happlopapus spinulosus
Common Names: Lacy tansyaster, cutleaf ironplant, spiny goldenweed
Characteristics
Duration: Perennial
Growth Habit: Subshrub
Arizona Native Status: Native
Habitat: Arid grasslands and deserts
Flower Color: Yellow
Flowering Season: March to October
Height: 4 inches to 3 feet
Description: Lacy tansyaster is highly variable in size and form depending upon its environment. It is most typically a slender plant with small, mildy bristled leaves. One yellow flowerhead appears on each tip of the plants many upper branches.
Special Characteristics
N/A
Classification
Order: Asterales
Family: Asteraceae
SOURCES:
University of Austin, Lady Bird Johnson wildflower center: wildflower.org/plants/result.php?id_plant=MAPI
Southwest Colorado Wildflowers Website: swcoloradowildflowers.com/Yellow%20Enlarged%20Photo%20Pages/machaeranthera%20pinnatifida.htmSDA NRCS plant fact sheet. Retrieved from: plants.usda.gov/factsheet/pdf/fs_hibe.pdf
