Spiraea douglasii var. douglasii
Leaf abaxial surfaces whitish to grayish, lanate to tomentose. Inflorescence branches tomentose. Pedicels tomentose. Flowers: hypanthia and sepals tomentose.
Phenology: Flowering May–Aug; fruiting Jul–Nov.
Habitat: Stream banks, moist woodland margins, wet meadows, fens, swamps, roadsides
Elevation: 0–2500 m
B.C., Calif., Oreg., Wash., introduced in Europe.
H. J. Scoggan (1978–1979, part 3) identified two forms of var. douglasii based upon petal color: forma alba J. K. Henry (white) and forma douglasii (pink to deep rose). See discussion under var. menziesii for information that may also apply to var. douglasii.