Spiraea splendens var. rosea

(A. Gray) Kartesz & Gandhi

Phytologia 67: 464. 1989.

Endemic
Basionym: Spiraea betulifolia var. rosea A. Gray Proc. Amer. Acad. Arts 8: 381. 1872 (as betulaefolia)
Synonyms: S. arbuscula Greene S. helleri Rydberg S. lucida var. rosea (A. Gray) Greene
Treatment appears in FNA Volume 9. Treatment on page 406.

Young stems, leaf abaxial surface, and pedicels and bracteoles puberulent. Flowers: hypanthial surfaces puberulent.


Phenology: Flowering Jun–Aug; fruiting Jul–Nov.
Habitat: Along streams, lakeshores, margins of woods, meadows, open rocky slopes
Elevation: 200–3500 m

Distribution

V9 681-distribution-map.jpg

Alta., Calif., Idaho, Mont., Oreg., Wash.

Discussion

Spiraea densiflora Nuttall ex Greenman (1898) is an illegitimate name, sometimes found in synonymy with S. splendens var. rosea.

Spiraea densiflora Nuttall ex Rydberg is an illegitimate name that pertains here.

Selected References

None.

Lower Taxa

None.
pubescent +, glabrous +  and puberulent +
acute;obtuse +
Richard Lis +
(A. Gray) Kartesz & Gandhi +
reddish +  and dark-brown gray or gray-black +
not +  and exfoliating +
compound +  and simple +
opposite +  and alternate +
acute +  and obtuse +
Spiraea betulifolia var. rosea +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
ovate +  and elliptic +
1 cm10 mm <br />0.01 m <br /> (10 cm100 mm <br />0.1 m <br />) +
coriaceous +, chartaceous +  and membranous +
1 cm10 mm <br />0.01 m <br /> (?) +  and 2 cm20 mm <br />0.02 m <br /> (?) +
puberulent +  and glabrous +
glabrate +  and tomentose +
Alta. +, Calif. +, Idaho +, Mont. +, Oreg. +  and Wash. +
not +  and aggregated +
200–3500 m +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
unisexual +  and bisexual +
oblanceoloid +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
tomentose +  and glabrous +
5;4;5;4;5;4;5;4;5;4 +
list +  and count +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
coriaceous +
not +  and aggregated +
not +  and aggregated +
Along streams, lakeshores, margins of woods, meadows, open rocky slopes +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
glabrous +  and hairy +
hemispheric +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
(2-)3-1000+-flowered +
axillary +  and terminal +
crassinucellate +
compound +  and simple +
deciduous +
craspedodromous +
crenate +  and serrate +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and apical +
100-1000+-flowered +  and corymbiform +
0.8-1 times diam +
2cm +  and 4cm +
glabrous +  and hairy +
hemispheric +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0 (?) +  and 4 (?) +
light +  and dark-pink +
free +  and distinct +
ovate;obovate +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Flowering Jun–Aug +  and fruiting Jul–Nov. +
adnate +, free +, connate +  and distinct +
scalloped +
not arillate +
fusiform;oblong +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.4 cm4 mm <br />0.004 m <br /> (?) +
deciduous +  and persistent +
free +  and distinct +
reflexed +, erect +, ascending +  and spreading +
triangular +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
2 +  and 4 +
free +  and distinct +
2 times petal length +
shorter or longer +
nectariferous +
reddish-brown +  and brown +
decumbent +  and prostrate +
spreading +  and ascending +
villous;glabrous +
5 +  and 20 +
discoid +  and capitate +
deciduous +  and persistent +
distinct +
subterminal +  and terminal +
not elongate +
hairy +  and glabrous +
S. arbuscula +, S. helleri +  and S. lucida var. rosea +
Spiraea splendens var. rosea +
Spiraea splendens +
variety +
inconspicuous +
reduced +