''Hazardia squarrosa'' is a North American species of

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

in the family Asteraceae known by the common name sawtooth goldenbush. It is native to California in the United States and Baja California in Mexico.Calflora taxon report, University of California, ''Hazardia squarrosa'' (Hook. & Arn.) E. Greene, saw toothed goldenbush, sawtooth goldenbush
/ref> ''Hazardia squarrosa'' grows in coastal and inland scrub and

chaparral Chaparral ( ) is a shrubland plant community and geographical feature found primarily in the U.S. state of California, in southern Oregon, and in the northern portion of the Baja California Peninsula in Mexico. It is shaped by a Mediterranean c ...

habitats. It a shrub of variable size, from low and clumpy to sprawling over tall. It is covered in thick, sharply toothed leaves a few centimeters long and is generally not very hairy or woolly. It bears numerous

flower heads A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...

covered in greenish, pointed phyllaries and opening into an array of long yellow to slightly reddish disc florets but no ray florets.Flora of North America, ''Hazardia squarrosa'' (Hooker & Arnott) Greene, 1894. Saw-tooth bristleweed
/ref> ;Varieties *''Hazardia squarrosa'' var. ''grindelioides'' (DC.) W.D.Clark - from

Monterey County Monterey County ( ), officially the County of Monterey, is a county located on the Pacific coast in the U.S. state of California. As of the 2020 census, its population was 439,035. The county's largest city and county seat is Salinas. Montere ...

to Baja California *''Hazardia squarrosa'' var. ''obtusa'' (Greene) Jeps. - Counties of Santa Barbara, Ventura, Los Angeles, Kern *''Hazardia squarrosa'' var. ''squarrosa'' - from San Benito County to San Diego County

References

External links

Jepson Manual TreatmentCalphotos Photo gallery, University of California
Flora of California Flora of Baja California squarrosa Plants described in 1833 Flora without expected TNC conservation status {{Astereae-stub