any plant of the American genus Helenium, up to 1.6 m (5 ft) tall, some species of which are grown as border plants for their daisy-like yellow or variegated flowers: family Asteraceae
Word origin
New Latin, from Greek helenion, a plant name
Examples of 'helenium' in a sentence
helenium
Later on in the year the dark rusty heleniums will contrast with the taller purplish veronicastrum.