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 14:24, 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
![V9 669-distribution-map.jpg](/w/images/b/bc/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"
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 +