Primula denticulata

Primula denticulata, the drumstick primula, is a species of flowering plant in the family Primulaceae, native to moist alpine regions of China (S Xizang), Afghanistan, Bhutan, India, Kashmir, N Myanmar, Nepal, and Pakistan. It is an herbaceous perennial growing to 45 cm (18 in) tall and wide, with rosettes of oval leaves and sturdy stems bearing spherical umbels of purple flowers in late spring and early summer. The specific epithet denticulata means 'small-toothed', referring to the serrated leaf edges.A popular garden subject for deep moist soil in sun or partial shade, P. denticulata and its cultivars can be grown from seed. It has gained the Royal Horticultural Society's Award of Garden Merit. Primula denticulata is known to contain the contact allergens primin and other quinoid compounds.