familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusSpiraea
speciesSpiraea alba
varietySpiraea alba var. alba
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
Revision as of 13:24, 30 July 2020 by imported>Volume Importer
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., 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"
aggregated +
glabrous +
perigynous +
dehiscent +
acute +
cuneate +
elliptic +
3-4 +
chartaceous +
absent +
absent +
free +
simple +
alternate +
dimorphic +
aggregated +
absent +
aggregated +
glabrous +
shiny +
oblanceoloid +
5;4;5;4;5;4;5;4;5;4 +
coriaceous +
fascicles +
persistent +
hemispheric +
Present +
conic +
crassinucellate +
alternate +
deciduous +
craspedodromous +
serrate +
serrate to serrulate +
0.5-1.1 times number of secondary-veins +
absent +
aggregated +
clustered +
1.4-3.5 times diam +
conic +
absent +
perigynous +
elliptic +
suborbiculate +
absent +
puberulent +
1;250 +
Harbk. Baumz. +
1772 +
not prominent +
not arillate +
2;4 +
fusiform;oblong +
triangular +
absent +
shorter +
1 times petal length +
shorter or longer +
40;50 +
nectariferous +
absent +
reduced +
unbranched +
young +
erect +
villous;glabrous +
palmate +
pinnate +
absent +
distinct +
terminal +
not elongate +
Spiraea alba var. alba +
Spiraea alba +
variety +
developed +
absent +
inconspicuous +
reduced +
rhizomatous +
perennial +