Cassiope mertensiana
Ericaceae
White Heather
Low-growing shrub, densely matted from creeping roots. Stems reclining with erect tips. Leaves opposite, evergreen, concave but not rolled under. Flowers hang from near top of branch on reddish stalks, sepals reddish or green, flowers pure white, bell-shaped, with 5 lobes. Grows in subalpine and alpine areas, around rocks and in late snowmelt areas.
- Rarity: Locally Common
- Flowering Time: Early Summer
- Flower Form: urn shaped fls
- Life Cycle: Perennial
- Height: 4–12 inches
- Habitat: Alpine, Subalpine
- Found In: Mt. Rainier NP, N Cascades NP, Olympic NP, Wallowas
- Native: Yes
- Also Known As: Mertens' Mountain-Heather
