white bursage Asteraceae Ambrosia dumosa
Leaf:Alternate, may be simple or deeply lobed or multi-pinnately compound, coarse serrate or toothed, green above and below but covered in dense pale pubescence, minute, drought deciduous and often absent.
Flower:Dull yellow-green, in small clusters borne on a spike, present in late winter to early spring.
Fruit:A spiny bur with slender spines, to 3/8 inch long.
Twig:Covered in gray pubescence, slender, stiff, narrow leaf scars.
Bark:Reddish brown and becoming smooth and shiny.
Form:A rounded shrub to less than 3 feet tall.