OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Solidago gigantea   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Solidago gigantea   FAMILY Asteraceae

SYNONYMOUS WITH Vascular flora of Illinois (Mohlenbrock, 2014)

Solidago gigantea

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-49-031:

Solidago gigantea   FAMILY Asteraceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Solidago serotina

 

COMMON NAME:
Smooth Goldenrod, Late Goldenrod, Giant Goldenrod


         To see larger pictures, click or hover over the thumbnails.

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_sogi_003_lvd

        

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_sose10_001_lvd

        

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm230523_3339

May    Greenville County    SC

Watson-Cooper Heritage Preserve

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm140809_387

August    Greenville County    SC

Swamp Rabbit Trail

Usually least hairy of S. canadensis complex, stems may be somewhat glaucous, per Flora of North America.

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm140814_530

August    Greenville County    SC

Swamp Rabbit Trail

Leaves narrowly elliptical, toothed, non-clasping, with 3+ prominent veins, per All About South Carolina Wildflowers (Midgley, 1999).

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm140814_536

August    Greenville County    SC

Swamp Rabbit Trail

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm140814_538

August    Greenville County    SC

Swamp Rabbit Trail

Peduncles 1.5-3 mm, sparsely to densely strigillose, per Flora of North America.

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm140814_538b

August    Greenville County    SC

Swamp Rabbit Trail

Involucres campanulate, (2)2.5-4(5)mm. Phyllaries in 3-4 series, unequal, per Flora of North America.

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm140814_546

August    Greenville County    SC

Swamp Rabbit Trail

Stems glabrous and usually also glaucous, per Weakley's Flora (2012).

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm140814_548

August    Greenville County    SC

Swamp Rabbit Trail

The array usually somewhat more open than in S. canadensis and S. altissima, per Flora of North America.

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm140822_866

August    Greenville County    SC

Swamp Rabbit Trail

Panicle has numerous spreading floriferous branches; the 10-15 rays showy, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm190802_0554

August    Greenville County    SC

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

Keith Bradley    kab_s_gigantea_3108

August    Macon County    NC

Nantahala National Forest

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

Terry Holdsclaw    tdh_s_gigantea_0009

August    Iredell County    NC

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

Terry Holdsclaw    tdh_s_gigantea_0282

August    Iredell County    NC

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

Terry Holdsclaw    tdh_s_gigantea_0284

August    Iredell County    NC

Blooming season begins & ends earlier than S. altissima in e. North America, per Flora of North America.

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm220927_0025

September    Greenville County    SC

Tall Pines Wildlife Management Area

image of Solidago gigantea, Smooth Goldenrod, Late Goldenrod, Giant Goldenrod

JK Marlow    jkm220927_0026

September    Greenville County    SC

Tall Pines Wildlife Management Area

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Solidago gigantea   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Solidago gigantea   FAMILY Asteraceae

SYNONYMOUS WITH Vascular flora of Illinois (Mohlenbrock, 2014)
Solidago gigantea

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-49-031:
Solidago gigantea   FAMILY Asteraceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Solidago serotina

 

Find by SCIENTIFIC NAME:

1421

Forb
Perennial

Habitat: Old fields, roadsides, streamside meadows, bottomlands, per Weakley's Flora

Native to the Carolinas & Georgia

Common (uncommon in GA Coastal Plain)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Simple
Midstem leaves 3-nerved

Leaves chiefly on the stem (basal & lower stem leaves either withering early or equal/smaller than middle & upper stem leaves)

Alternate

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate & fertile

Flower heads in well-developed paniculiform inflorescences

FRUIT:
Summer/Fall
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



 


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