The Lewisias of the Columbia River Gorge

The Lewisias of the Columbia River Gorge

The Genus Lewisia

Bitterroot: Lewisia rediviva

1. Columbia Lewisia: Lewisia columbiana var. columbiana - The 12-18 petals are each 5-13 mm long. Flowers several to many per scape.

2. Bitter Root: Lewisia rediviva - The 6-11 petals are each 18-35 mm long. Flowers solitary on each scape.

Columbia lewisia: Lewisia columbiana var. columbiana

Paul Slichter E-mail