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., introduced 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"
Richard Lis +
Du Roi +
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 introduced in Europe. +
0–300 m +
Wetlands, fens, riparian areas, moist open sites +
Flowering Jun–Sep +  and fruiting Jun–Nov. +
Harbk. Baumz. +
Illustrated +  and Endemic +
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 +