Bassia scoparia

About

Bassia scoparia is a large annual herb in the family Amaranthaceae native to Eurasia. It has been introduced to many parts of North America, where it is found in grassland, prairie, and desert shrub ecosystems. Its common names include summer cypress, mock-cypress, kochia, belvedere, World's Fair plant, burningbush, Mexican firebrush, and Mexican fireweed, with the latter three names referring to the herb's red autumn foliage.

Summary from Wikipedia