the blooming cirsium arvense

achenes alternate anthers arvense asteraceae basal belonging brown cirsium corolla covered deciduous degenerated dioecious early elliptical elongated family female flattened flowers genus hairs head herbaceous horizontal inflorescences integrifolium larger leaf leaves light like male margin perennial plant plants purple red rhizomes roots shaped sides single smaller spider spiny stamens stem straight surface teeth underground upright var wavy white wrinkles yellow young