Stems 20-70 cm × 3.5-8 mm, glabrous. Roots not or scarcely fusiform-thickened proximally. Leaves: petiole glabrous. Leaf-blade lanceolate, 5.8-14.1 × 1.2-2.9 cm, base acuminate or sometimes acute, margins serrulate. Flowers: petals 4-6, 7-11 × 4-8 mm.

Phenology: Flowering spring (Apr–Jun).
Habitat: Wet meadows, bogs, shallow water of streams and ponds
Elevation: 0-1700 m

Distribution

• Generated Map
• Legacy Map

B.C., Calif., Idaho, Mont., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.