Any of various autumn-flowering perennials having white or pink to purple flowers that resemble asters,wild in moist soils from New Jersey to Florida and Texas.

• 一种秋季开花的多年生植物，白色或粉色或紫色、类似紫苑，生长在从新泽西到佛罗里达和德克萨斯的潮湿的土壤中。