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Symphyotrichum racemosum (Elliott) G.L. Nesom

Small white aster, small-flowered white aster

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassAsteridaeA large class that encompasses asters
OrderAsteralesFlowering plants with a central disk flower and surrounding petals, like daisies
FamilyAsteraceaeThe aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers
GenusSymphyotrichumFrom Greek symphysis, “borne together or growing together, coalescing,” and trichinos, “hair, a single hair”
SpeciesracemosumWith flowers in racemes

About plant names...

Small white aster is native to eastern North America.

Identification: Plants are 12-35" (30-90 cm) tall. Leaves are alternate, sometimes toothed, unlobed, ⅛-1½" (5-40 mm) × ⅛-½" (5-15 mm) in size. Numerous flowers are clustered along long stems in racemes. The central disk is yellowish, aging to a pinkish color. Ray flowers are white to pink, with 16-20 rays, rarely as few as 12. Flowers are about ½" (1.3 cm) across, and they tend to cluster along one side of each branch. They appear from August to October.

See our aster comparison table here. Or check Arieh Tel’s well-researched and informative aster comparison site.

Online References:

Symphyotrichum racemosum at the Lady Bird Johnson Wildflower Center

Symphyotrichum racemosum on gobotany.newenglandwild.org

Symphyotrichum racemosum on vaplantatlas.org

Symphyotrichum racemosum on eFloras

References:

Clemants, Steven; Gracie, Carol, Wildflowers in the Field and Forest, Oxford University Press, 2006, p. 288

Symphyotrichum racemosum (small white aster, small-flowered white aster)

9/1/2012 · Bemis Rd Conservation Area, Pepperell, Mass­a­chu­setts
≈ 6 × 6" (15 × 14 cm) ID is uncertain

Symphyotrichum racemosum (small white aster, small-flowered white aster)

8/25/2013 · Casalis State Forest, Elm Hill Rd, Peterborough, New Hamp­shire
≈ 8 × 5" (20 × 13 cm) ID is uncertain

Symphyotrichum racemosum (small white aster, small-flowered white aster)

9/24/2010 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 4 × 6" (10 × 15 cm) ID is uncertain

Symphyotrichum racemosum (small white aster, small-flowered white aster)

9/24/2010 · Nissitissit River Wildlife Management Area, Pepperell, Mass­a­chu­setts
≈ 6 × 4½" (15 × 11 cm) ID is uncertain

Aster brachypholis Small nom. inq.

Aster fragilis auct. non Willd. nom. inq.

Aster fragilis Willd. var. brachypholis (Small) A.G. Jones nom. inq.

Aster fragilis Willd. var. subdumosus (Wiegand) A.G. Jones nom. inq.

Aster racemosus Elliott

Aster vimineus auct. non Lam. nom. inq.

Aster vimineus Lam. var. subdumosus Wiegand nom. inq.

Symphyotrichum racemosum (Elliott) G.L. Nesom var. subdumosum (Wiegand) G.L. Nesom nom. inq.

Aster racemosus Elliott

Symphyotrichum racemosum (Elliott) G.L. Nesom var. subdumosum (Wiegand) G.L. Nesom nom. inq.

Aster racemosus Elliot

Symphyotrichum racemosum (Elliot) G.L. Nesom var. subdumosum (Wiegand) G.L. Nesom nom. inq.

 

Symphyotrichum racemosum description by Thomas H. Kent, last updated 25 May 2020.

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Symphyotrichum racemosum (small white aster, small-flowered white aster)

8/25/2013 · Casalis State Forest, Elm Hill Rd, Peterborough, New Hamp­shire
≈ 4½ × 7" (11 × 17 cm) ID is uncertain

Symphyotrichum racemosum (small white aster, small-flowered white aster)

8/25/2013 · Casalis State Forest, Elm Hill Rd, Peterborough, New Hamp­shire
≈ 5 × 7" (12 × 16 cm) ID is uncertain

Symphyotrichum racemosum (small white aster, small-flowered white aster)

9/9/2013 · J. Harry Rich Forest, Groton, Mass­a­chu­setts
≈ 6 × 4" (14 × 10 cm)

Symphyotrichum racemosum (small white aster, small-flowered white aster)

9/4/2013 · Amos Kendall Conservation Area, Dunstable, Mass­a­chu­setts
≈ 6 × 6" (14 × 14 cm)

Symphyotrichum racemosum (small white aster, small-flowered white aster)

9/4/2013 · Amos Kendall Conservation Area, Dunstable, Mass­a­chu­setts
≈ 6 × 5" (16 × 13 cm)

Symphyotrichum racemosum (small white aster, small-flowered white aster)

8/25/2013 · Casalis State Forest, Elm Hill Rd, Peterborough, New Hamp­shire
≈ 4½ × 4" (11 × 10 cm) ID is uncertain

Symphyotrichum racemosum (small white aster, small-flowered white aster)

9/1/2012 · Bemis Rd Conservation Area, Pepperell, Mass­a­chu­setts
≈ 4½ × 4" (11 × 10 cm) ID is uncertain

Range:

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