Luina, commonly called silverback, is a small genus of perennial shrubs in the groundsel tribe within the sunflower family.
Description
These are large, bushy perennials, native to the Pacific Coast of North America (United States and Canada), growing on rock outcrops, cliffs, and talus slopes.
- Luina hypoleuca <small>Benth.</small> : silverback luina, littleleaf luina - British Columbia, Washington, Oregon, California (Lake Co to Del Norte Co)
- Luina hypoleuca var. californica <small>A.Gray</small>
- Luina hypoleuca var. dentata <small>L.F.Hend.</small>
- Luina hypoleuca var. hypoleuca
- Luina serpentina <small>Cronquist</small> : colonial luina, creeping silverback - Grant County in Oregon
;Formerly included