a North American plant of the daisy family, whose flowers have a raised cone-like centre which appears to consist of soft spines. It is used in herbal medicine, largely for its antibiotic and wound-healing properties
a North American plant of the daisy family, which has flowers with cone-like centres
a North American plant of the daisy family, whose flowers have a raised cone-like centre which appears to consist of soft spines. It is used in herbal medicine, largely for its antibiotic and wound-healing properties