Pulsatilla are herbaceous perennials forming clumps of finely dissected leaves, with solitary, hairy bell-shaped or cup-shaped flowers followed by silky-plumed seed-heads
P. vulgaris is a perennial to 20cm, forming a clump of finely dissected basal leaves, silky when young. Flowers 5-9cm in width, erect or nodding, violet, followed by silky fruiting heads