OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (4/24/22):
Packera glabella   FAMILY Asteraceae   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Packera glabella   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America
Packera glabella

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-19-002:
Senecio glabellus   FAMILY Asteraceae

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

 

COMMON NAME:
Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop


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

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_pagl17_001_lvd

        

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_segl_001_lvd

        

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

Will Stuart    wil_8459043246_c3ebc3475f

January        LA

Often forming dense stands, per Guide to the Wildflowers of SC.

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm090221_062

February    Richland County    SC

Congaree National Park

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm100313_058

March    Gadsden County    FL

Angus Gholson Nature Park

Annual, strict or branched above, 0.3-1m tall, per Vascular Flora of the Carolinas.

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm100313_061

March    Gadsden County    FL

Angus Gholson Nature Park

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm100313_064

March    Gadsden County    FL

Angus Gholson Nature Park

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm100313_067

March    Gadsden County    FL

Angus Gholson Nature Park

Thickened 1-2.5' stem erect, mostly glabrous, but often hairy in leaf axils, per Atlantic Coastal Plain Wildflowers.

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm170320_0248

March    Laurens County    SC

Charlie Lollis Memorial Park

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm170320_154

March    Laurens County    SC

Charlie Lollis Memorial Park

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

Keith Bradley    kab_p_glabella_01309

March    Miami-Dade County    FL

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm070414_035

April    Calhoun County    SC

Congaree Bluffs Heritage Preserve

Leaves pinnately divided into rounded lobes with large teeth, per All About South Carolina Wildflowers.

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm070414_036

April    Calhoun County    SC

Congaree Bluffs Heritage Preserve

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm070414_040

April    Calhoun County    SC

Congaree Bluffs Heritage Preserve

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm130415_381

April    Greenville County    SC

Lake Conestee Nature Park

10-15 showy ray flowers, 0.2-0.4" long, surround 0.25" disk, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm170408_484

April    Laurens County    SC

Sumter National Forest: Tyger Ranger District

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

Richard and Teresa Ware    rtw_s_glabella_butterwd2

April        

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    s070414_a

April    Calhoun County    SC

Congaree Bluffs Heritage Preserve

Basal leaves mostly pinnatifid with rounded lobes & teeth. Stem lvs similar, per Wildflowers of Tennessee.

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

Stephanie C. Brundage    scb_041721atlanta08

April    DeKalb County    GA

Native Plant Botanical Garden, Perimeter College, Georgia State University

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm100513_020

May    Greenville County    SC

Lake Conestee Nature Park

image of Packera glabella, Butterweed, Smooth Ragwort, Smooth Groundsel, Yellowtop

JK Marlow    jkm100513_021

May    Greenville County    SC

Lake Conestee Nature Park

 

WEAKLEY'S FLORA (4/24/22):
Packera glabella   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Packera glabella   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America
Packera glabella

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-19-002:
Senecio glabellus   FAMILY Asteraceae

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

 

Find by SCIENTIFIC NAME:

1359

Forb
Winter annual

Native to the Carolinas & Georgia

Common (uncommon in GA Coastal Plain, rare in SC Mountains & NC Piedmont)

Habitat: swamp forests, bottomland forests, cleared areas in bottomlands, wet agricultural fields, ditches, often in mucky soils, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

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
Basal & alternate

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

Flowers in corymbs

FRUIT:
Spring/Summer
Brown
Achene

 

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



 


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