Knotweed Spineflower

Chorizanthe polygonoides is a species of flowering plant in the buckwheat family known by the common name knotweed spineflower. It is native to California and Baja California, where it grows widely scattered in many types of habitat. It is a petite plant taking a prostrate form with stems just a few centimeters long at maximum. It may be green to red in color and is hairy in texture. The leaves are no more than a centimeter...