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
B.C., Calif., Oreg., Wash., 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.
... more about "Spiraea douglasii var. douglasii"
aggregated +
glabrous +
glabrous +
perigynous +
dehiscent +
acute;obtuse +
cuneate +
elliptic +
bicolorous +
chartaceous +
absent +
absent +
free +
simple +
alternate +
dimorphic +
aggregated +
absent +
aggregated +
glabrous +
shiny +
oblanceoloid +
5;4;5;4;5;4;5;4;5;4 +
coriaceous +
fascicles +
persistent +
tomentose +
hemispheric +
1 cm10 mm <br />0.01 m <br /> (?) +
Present +
(2-)3-1000+-flowered +
tomentose +
crassinucellate +
alternate +
deciduous +
craspedodromous +
absent +
aggregated +
clustered +
2-4 times diam branches +
conic +
absent +
tomentose +
perigynous +
elliptic +
ovate;obovate +
absent +
1;250 +
Fl. Bor.-Amer. +
1832 +
prominent +
not arillate +
2;4 +
fusiform;oblong +
tomentose +
ovate +
1 cm10 mm <br />0.01 m <br /> (?) +
absent +
shorter +
2-3 times petal length +
shorter or longer +
25;35 +
nectariferous +
absent +
reduced +
branched +
young +
villous;glabrous +
palmate +
pinnate +
absent +
distinct +
terminal +
not elongate +
Spiraea douglasii var. douglasii +
Spiraea douglasii +
variety +
developed +
absent +
inconspicuous +
reduced +
rhizomatous +
perennial +