Spiraea alba var. alba

IllustratedEndemic
Synonyms: Spiraea ciliata Rafinesque S. cuneifolia Borkhausen S. lancifolia Hoffmannsegg S. salicifolia var. lanceolata Torrey & A. Gray S. salicifolia var. linearis Wenzig S. salicifolia var. paniculata Aiton S. tomentosa var. alba Marshall
Treatment appears in FNA Volume 9. Treatment on page 401. Mentioned on page 402.

Leaves: petiole 2–8 mm, puberulent; blade narrowly lanceolate to oblanceolate, 2–9 × 0.5–2.5 cm, length 3–4 times width, chartaceous, base cuneate, margins finely serrate to serrulate, apex acute. Panicles narrowly conic, 5–15 × 3–6 cm. Pedicels 1–2 (–3) mm. Flowers 5–8 mm diam.; hypanthia abaxial surface usually puberulent to sparsely strigose, sometimes glabrous or glabrate; sepals 0.8–1 mm; petals 1.7–2 mm; stamens 40–50, 1 times petal length. 2n = 36.


Phenology: Flowering Jun–Sep; fruiting Jun–Nov.
Habitat: Wetlands, fens, riparian areas, moist open sites
Elevation: 0–300 m

Distribution

V9 669-distribution-map.jpg

Alta., Man., Ont., Que., Sask., Ill., Ind., Iowa, Ky., Mass., Mich., Minn., Mo., N.Y., N.C., N.Dak., Ohio, Pa., S.Dak., Tenn., Vt., Va., W.Va., Wis., in Europe

Discussion

Variety alba is of conservation concern in Kentucky and Tennessee.

Selected References

None.

Lower Taxa

None.
... more about "Spiraea alba var. alba"
glabrate +, glabrous +, usually puberulent +  and sparsely strigose +
Richard Lis +
Du Roi +
reddish +  and dark-brown gray or gray-black +
not +  and exfoliating +
compound +  and simple +
opposite +  and alternate +
cuneate +
2 cm20 mm <br />0.02 m <br /> (9 cm90 mm <br />0.09 m <br />) +
narrowly lanceolate +  and oblanceolate +
1 cm10 mm <br />0.01 m <br /> (10 cm100 mm <br />0.1 m <br />) +
? (?) +  and ? (?) +
0.5cm +  and 2.5cm +
puberulent +  and pubescent +
glabrate +  and tomentose +
Alta. +, Man. +, Ont. +, Que. +, Sask. +, Ill. +, Ind. +, Iowa +, Ky. +, Mass. +, Mich. +, Minn. +, Mo. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Pa. +, S.Dak. +, Tenn. +, Vt. +, Va. +, W.Va. +, Wis. +  and in Europe +
not +  and aggregated +
0–300 m +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
unisexual +  and bisexual +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 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 +
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, fens, riparian areas, moist open sites +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
glabrous +  and hairy +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
axillary +  and terminal +
crassinucellate +
compound +  and simple +
deciduous +
craspedodromous +
toothed +, unlobed +  and lobed +
serrate to serrulate +
0.5-1.1 times number of secondary-veins +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and apical +
racemiform +  and corymbiform +
1.4-3.5 times diam +
5cm +  and 15cm +
glabrous +  and hairy +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
glabrate +  and glabrous +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0 (?) +  and 4 (?) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
free +  and distinct +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Flowering Jun–Sep +  and fruiting Jun–Nov. +
adnate +, free +, connate +  and distinct +
Harbk. Baumz. +
not arillate +
fusiform;oblong +
2mm +  and 4mm +
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 +
Illustrated +  and Endemic +
free +  and distinct +
1 times petal length +
shorter or longer +
nectariferous +
reddish-brown +  and brown +
decumbent +  and prostrate +
5 +  and 20 +
discoid +  and capitate +
deciduous +  and persistent +
distinct +
subterminal +  and terminal +
not elongate +
hairy +  and glabrous +
Spiraea ciliata +, S. cuneifolia +, S. lancifolia +, S. salicifolia var. lanceolata +, S. salicifolia var. linearis +, S. salicifolia var. paniculata +  and S. tomentosa var. alba +
Spiraea alba var. alba +
Spiraea alba +
variety +
inconspicuous +
reduced +