Spiraea tomentosa var. rosea

(Rafinesque) Fernald

Rhodora 14: 190. 1912.

Endemic
Basionym: Spiraea rosea Rafinesque New Fl. 3: 62. 1838 (as Spirea)
Synonyms: S. ferruginea Rafinesque
Treatment appears in FNA Volume 9. Treatment on page 403.

Inflorescences 150–10,000-flowered, flowers or fruits 6–11 per cm of branches. Pedicels 0.5–1.5 mm.


Phenology: Flowering Jul–Sep; fruiting late Aug–Oct.
Habitat: Wetlands, poor fens, wet meadows, bogs, woodland borders with moist acidic soil
Elevation: 0–1500 m

Distribution

V9 674-distribution-map.jpg

N.B., Ont., P.E.I., Que., Ala., Ark., Ga., Ill., Ind., Kans., Ky., La., Md., Mich., Minn., Miss., Mo., N.J., N.Y., N.C., Ohio, Oreg., Pa., S.C., Tenn., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
densely white +  and gray tan or rusty +
glabrous +  and puberulent +
Richard Lis +
(Rafinesque) Fernald +
reddish +  and dark-brown gray or gray-black +
not +  and exfoliating +
compound +  and simple +
opposite +  and alternate +
cuneate +
Spiraea rosea +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
ovatelanceolate +
1 cm10 mm <br />0.01 m <br /> (10 cm100 mm <br />0.1 m <br />) +
1cm +  and 2.5cm +
glabrate +  and tomentose +
N.B. +, Ont. +, P.E.I. +, Que. +, Ala. +, Ark. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Md. +, Mich. +, Minn. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Oreg. +, Pa. +, S.C. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
not +  and aggregated +
0–1500 m +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
unisexual +  and bisexual +
tomentose +  and arachnoid +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
000-flowered +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
tomentose +  and glabrous +
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 +
Wetlands, poor fens, wet meadows, bogs, woodland borders with moist acidic soil +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
glabrous +  and hairy +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
(2-)3-1000+-flowered +
axillary +  and terminal +
crassinucellate +
compound +  and simple +
deciduous +
craspedodromous +
coarsely serrate +  and crenate +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and apical +
branching +  and 000+-flowered +
5cm +  and 30cm +
glabrous +  and hairy +
150 +  and 15 +
3 cm30 mm <br />0.03 m <br /> (20 cm200 mm <br />0.2 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0 (?) +  and 4 (?) +
free +  and distinct +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering Jul–Sep +  and fruiting late Aug–Oct. +
adnate +, free +, connate +  and distinct +
not arillate +
fusiform;oblong +
2mm +  and 4mm +
deciduous +  and persistent +
free +  and distinct +
reflexed +, erect +, ascending +  and spreading +
triangular +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
2 +  and 4 +
free +  and distinct +
1 times petal length +
shorter or longer +
nectariferous +
reddish-brown +  and brown +
decumbent +  and prostrate +
erect +  and ascending +
5 +  and 20 +
discoid +  and capitate +
deciduous +  and persistent +
distinct +
subterminal +  and terminal +
not elongate +
hairy +  and glabrous +
S. ferruginea +
Spiraea tomentosa var. rosea +
Spiraea tomentosa +
variety +
inconspicuous +
reduced +