131507 WOOLLY THISTLE Cirsium eriophorum (Asteraceae) Height to 1.5m. Upright biennial of calcareous grassland. Stems are furrowed, cottony and unwinged. FLOWERS are borne in heads, 6-7cm across, comprising reddish purple florets topping a ball coated with cottony bracts; heads are solitary (Jul-Sep). FRUITS have feathery pappus hairs. LEAVES are pinnate, spiny and cottony below. STATUS-Local, mainly in S.