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Doellingeria umbellata var. umbellata

Doellingeria umbellata (Mill.) Nees var. umbellata

Aster umbellatus Mill.

Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped 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
GenusDoellingeriaFor German botanist Ignatz Doellinger (1770–1841)
SpeciesumbellataRefers to the arrangement of the flowers which arise in a head from a central point, i.e. bearing an umbel
var.umbellataRefers to the arrangement of the flowers which arise in a head from a central point, i.e. bearing an umbel

About plant names...

Flat-topped white asters are natives of North America.

Identification: These asters are named for the tendency of their flowerheads to form a flat-topped mass, but they may also be rounded. Plants are 20-79" (50-200 cm) high. Stems are green, sometimes purple or yellowish-brown. Leaves are 2-4" (6-11 cm) long by ½-⅞" (1.3-2.5 cm) wide. They are smooth when rubbed in one direction, rough in the other, elliptic or lanceolate-elliptic. They have prominent veins, a distinctive characteristic, and pale or whitish green undersides. Flowerheads are panicles 3-12" (7.6-30 cm) around. Individual flowers are about ½" (1.3 cm) across, with 5-12 white rays and 12-25 tiny florets in the central disc. The disc is yellow, aging to tan-colored.

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

Online References:

Doellingeria umbellata var. umbellata at Illinois Wildflowers

Doellingeria umbellata var. umbellata on the Connecticut Botanical Society's Connecticut wildflowers site

Doellingeria umbellata var. umbellata on Ontario Wildflowers

Doellingeria umbellata var. umbellata at the Lady Bird Johnson Wildflower Center

Doellingeria umbellata var. umbellata on eFloras

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/27/2013 · Gordon and Kathy’s, Prospect, ME
≈ 9 × 6" (22 × 15 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

8/24/2013 · Cranberry Meadow Pond Trail, Monadnock Conservancy, Peterborough, NH
≈ 10 × 7" (25 × 16 cm) ID is uncertain

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/7/2013 · Beech Hill, Dublin, NH
≈ 6 × 9" (16 × 23 cm) ID is uncertain

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/18/2009 · Acadia National Park, Bar Harbor, ME
≈ 10 × 12" (25 × 30 cm) ID is uncertain

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/20/2009 · Wild Gardens of Acadia, Acadia National Park, Bar Harbor, ME
≈ 15 × 10" (39 × 26 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

8/24/2013 · Cranberry Meadow Pond Trail, Monadnock Conservancy, Peterborough, NH
≈ 11 × 7" (28 × 18 cm) ID is uncertain

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/20/2009 · Wild Gardens of Acadia, Acadia National Park, Bar Harbor, ME
≈ 21 × 14" (52 × 34 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/27/2013 · Gordon and Kathy’s, Prospect, ME
≈ 9 × 6" (23 × 16 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/27/2013 · Gordon and Kathy’s, Prospect, ME
≈ 9 × 6" (22 × 15 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/7/2013 · Beech Hill, Dublin, NH
≈ 12 × 8" (31 × 21 cm) ID is uncertain

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/16/2016 · Bar Harbor Motel, Bar Harbor, ME
≈ 14 × 16" (34 × 41 cm)

Doellingeria umbellata var. umbellata description by Thomas H. Kent, last updated 9 Jun 2017.

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Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/27/2013 · Gordon and Kathy’s, Prospect, ME
≈ 9 × 6" (23 × 16 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/16/2016 · Bar Harbor Motel, Bar Harbor, ME

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/18/2009 · Acadia National Park, Bar Harbor, ME
≈ 14 × 11" (34 × 26 cm) ID is uncertain

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

8/15/2015 · Grafton Notch State Park, Newry, Maine
≈ 8 × 7" (20 × 16 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/27/2013 · Gordon and Kathy’s, Prospect, ME
≈ 4½ × 6" (12 × 14 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

8/24/2013 · Cranberry Meadow Pond Trail, Monadnock Conservancy, Peterborough, NH
≈ 10 × 7" (25 × 16 cm) ID is uncertain

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/7/2013 · Beech Hill, Dublin, NH
≈ 8 × 5" (19 × 13 cm) ID is uncertain

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

8/17/2014 · Bald Mountain, Franconia Notch Area, White Mountains, NH
≈ 7 × 5" (17 × 12 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/27/2013 · Gordon and Kathy’s, Prospect, ME
≈ 6 × 9" (16 × 23 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

8/17/2014 · Bald Mountain, Franconia Notch Area, White Mountains, NH
≈ 7 × 11" (18 × 28 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

8/15/2015 · Grafton Notch State Park, Newry, Maine
≈ 6 × 9" (15 × 22 cm)

Doellingeria umbellata (Flat-topped White Aster, Umbellate Aster, Parasol Whitetop, Tall Flat-topped White Aster)

9/16/2016 · Bar Harbor Motel, Bar Harbor, ME
≈ 14 × 21" (34 × 52 cm)

Range:

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