Spiraea douglasii var. douglasii
Treatment appears in FNA Volume 9. Treatment on page 407.
Revision as of 23:14, 26 July 2019 by FNA>Volume Importer
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
Distribution
B.C., Calif., Oreg., Wash., introduced in Europe.
Discussion
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.
Selected References
None.
Lower Taxa
None.