familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusSpiraea
speciesSpiraea alba
varietySpiraea alba var. alba
Difference between revisions of "Spiraea alba var. alba"
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
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Revision as of 20:37, 24 September 2019
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
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.