The Irish fleabane (Inula salicina) belongs to the Asteraceae (the Aster family). It is a perennial herb that is native to western Europe and the British Isles. This herb grows in sea-shore meadows, rocky places and hedgerows, and up to a height of 20-80 cm. The leaves are narrowly lanceolate, entire-toothed, and alternate arranged. The yellow, 2.5-4 cm across, flower-head bloom in July to August. Each head contains 35-70 yellow ray florets containing 100-250 yellow disc florets.