Bushy subshrub having flower heads that resemble asters with broad white rays,found in desert areas of Arizona east to Kansas and south to Mexico.

• 浓密的小灌木，头状花序类似紫苑，有白色的边花，生长在从亚利桑那州向东至堪萨斯州、向南至墨西哥的沙漠地区。