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.
英
美
- 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。