Sidalcea cusickii

Sidalcea cusickii, or Cusick's checkerbloom, is a species of flowering plant in the family Malvaceae. It is endemic to Oregon in the United States.

This species is a perennial herb reaching 1.8 meters in maximum height. It grows from a thick taproot and rhizomes. It produces several purple-tinged, often hollow stems lined with toothed, palmate leaves. They bear dense, spike-shaped inflorescences of many flowers.

This plant grows in moist to wet areas with fertile soils, such as mountain meadows. It may be associated with rushes and camas.