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
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Smooth Goldenrod at Vascular Plants of North Carolina.
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.
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USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_sogi_003_lvd
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_sose10_001_lvd
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JK Marlow jkm140814_536
August Greenville County SC
Swamp Rabbit Trail
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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.
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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.
)
JK Marlow jkm140814_546
August Greenville County SC
Swamp Rabbit Trail
Stems glabrous and usually also glaucous, per Weakley's Flora (2012).
)
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.
)
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).
)
JK Marlow jkm190802_0554
August Greenville County SC
)
JK Marlow jkm240821_0673
August Greenville County SC
)
JK Marlow jkm240821_0675
August Greenville County SC
Usually the least hairy species of the S. canadensis complex; stems may be somewhat glaucous, per Flora of North America.
)
JK Marlow jkm250818_2285
August Greenville County SC
Leaves narrowly elliptical, toothed, non-clasping, with 3+ prominent veins, per All About South Carolina Wildflowers (Midgley, 1999).
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Keith Bradley kab_s_gigantea_3108
August Macon County NC
Nantahala National Forest
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Terry Holdsclaw tdh_s_gigantea_0009
August Iredell County NC
)
Terry Holdsclaw tdh_s_gigantea_0282
August Iredell County NC
)
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.
)
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
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)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
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!
- All About South Carolina Wildflowers (Midgley, 1999) p265
- Newcomb's Wildflower Guide (Newcomb, 1977) p448
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p291
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p115
- Wildflowers of Tennessee (Carman, 2005) p328
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p380
- Wildflowers of the Southern Mountains (Smith, 1998) p205
- Wildflowers of the Sandhills Region (Sorrie, 2011) p250
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