Inula magnifica

Inula magnifica, the giant fleabane, is a species of flowering plant in the daisy family, native to the eastern Caucasus. It is a tall herbaceous perennial growing to tall by broad, with hairy stems and leaves. In late summer it bears rich yellow, daisy-like composite flower-heads in diameter, with narrowly tubular ray florets. It is suitable for planting at the back of a border, or in a wild meadow or prairie-style garden.
The cultivar 'Sonnenstrahl' has gained the Royal Horticultural Society's Award of Garden Merit.