Bassia scoparia

Bassia scoparia (syn. Kochia 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 burningbush, ragweed, summer cypress, mock-cypress, kochia, belvedere, Mexican firebrush, and Mexican fireweed.