Balsamorhiza hookeri


Balsamorhiza hookeri is a North American species of perennial plant in the sunflower family. It grows in the Great Basin and neighboring regions in the western United States. It is found in Washington, Oregon, California, Idaho, Nevada, Utah, and Arizona.

Description

Growth pattern

Leaves and stems

Leaves are compound pinnate, with the leaflet divisions also divided or deeply lobed. Basal leaves are hairy and may be up to long.
The stem is leafless and hairy.

Inflorescence and fruit

It blooms from April to July. Flower heads are wide, and sunflower-like, with 10-21 fringe-tipped ray flowers and numerous disc flowers.

Habitat and range

It grows to in dry, grassy meadows in sagebrush steppe and montane plant communities in the Great Basin.

Ecological interactions

It tends to grow in rockier habitats than its cousin, arrow-leaf balsamroot. It hybridizes with arrow-leaf balsamroot, which has arrow shaped leaves. The result is a plant with leaves that are arrow shaped, but also deeply divided.