[Members of the Sunflower Family with Daisy-like Heads of the Columbia Rier Gorge]

Woolly Sunflowers of the Columbia River Gorge

The Genus Eriophyllum

Eriophyllum lanatum var. integrifolium from the Highline Trail at the northeastern side of Mt. Adams...........July 2005.

Oregon Sunshine, Woolly Sunflower, Common Eriophyllum: Eriophyllum lanatum var. integrifolium - Plants average 10-25 cm high. Flower heads smaller, the involucre measuring 6-10 mm wide. About 8 rays encircle the disk flowers, each ray measuring from 5-12 mm long. The leaves are typically entire or tri-lobed at the tip.

Western Woolly Sunflower, Woolly Sunflower, Common Eriophyllum: Eriophyllum lanatum var. leucophyllum (Synonym: Eriophyllum lanatum var. lanatum)- Plants average 26-60 cm high. Flower heads are larger, the involucre measuring 9-12 mm wide. About 8-15 rays encircle the disk flowers, each ray measuring from 10-20 mm long. The leaves are typically pinnatifid but may be entire also.


Eriophyllum lanatum var. lanatum from atop the Columbia Hills about one-half mile east of Stacker Butte.............May 2004.

Paul Slichter E-mail