Spiraea douglasii var. douglasii

IllustratedEndemic
Treatment appears in FNA Volume 9. Treatment on page 407.

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

V9 684-distribution-map.jpg

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.
Richard Lis +
Hooker +
B.C. +, Calif. +, Oreg. +, Wash. +  and introduced in Europe. +
0–2500 m +
Stream banks, moist woodland margins, wet meadows, fens, swamps, roadsides +
Flowering May–Aug +  and fruiting Jul–Nov. +
Fl. Bor.-Amer. +
Illustrated +  and Endemic +
Spiraea douglasii var. douglasii +
Spiraea douglasii +
variety +