arrow-weed Asteraceae Pluchea
sericea (Nutt.) Coville
Leaf: Alternate, simple, evergreen, to 2 1/2 inches, gray-green above and below and finely pubescent, linear to lancolate, entire margins.
Flower: Purple, in clusters at the ends of the twigs, blooms from spring to mid-summer.
Fruit: Tiny achenes with slender brown bristles.
Twig: Initially gray-green and slender, and pale pubescent, becoming gray-brown.
Bark: Gray to brown, initially smooth or lenticellate, becoming rough.
Form: Thicket-forming dense shrubs to 10 feet, often with straight stems.
Looks like: mule fat - sandbar willow