Silene douglasii var. rupinae
Madroño 40: 96, fig. 2. 1993.
Leaf blades very narrow, linear, 1.5–5 mm wide, typically over 15 times longer than wide, not fleshy. Inflorescences often glandular-pubescent. Flowers: calyx green, not strongly inflated, (3–)5–8(–10) mm diam. at anthesis, often glandular-pubescent; petal limb 1–5 mm wide, with lateral teeth on each side.
Phenology: Flowering summer.
Habitat: Rocky crevices, cliff ledges
Elevation: 0-100 m
Variety rupinae is found along the Columbia River gorge.