Native & Naturalized Plants of the Carolinas & Georgia


640

Forb
Annual

Native: west of the Carolinas & Georgia
Documented growing wild in GA NC SC

Common (rare in Mountains)

Look for it on roadsides, overgrazed pastures, urban areas, per Weakley's Flora

map
To see a detailed map, click here

 

full sun ...Variable

LEAVES:
Simple
Alternate & basal

FLOWER:
Spring/Summer/Fall
Rays: Yellow
Disc: Yellow
Disc flowers bisexual/ Ray flowers pistillate?
Disc flowers five-lobed; ray flowers three-lobed
Inferior ovary

FRUIT:
Spring/Summer/Fall
Brown
Achene

 

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



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

WEAKLEY'S FLORA (11/30/12):
Helenium amarum var. amarum   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helenium amarum var. amarum   FAMILY Asteraceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 179-75-006:
Helenium amarum   FAMILY Asteraceae

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

 

COMMON NAME:
Bitterweed


Click or hover over the thumbnails to see larger pictures.

image of Helenium amarum var. amarum

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hete14_001_lvd

        

image of Helenium amarum var. amarum

JK Marlow    jkm0405p_15

May    Greenville County    SC

Roadside

Low much-branched plant with numerous linear, even threadlike, leaves, per Wildflowers of the Southern Mountains.

image of Helenium amarum var. amarum

JK Marlow    jkm140617_097

June    Greenville County    SC

image of Helenium amarum var. amarum

JK Marlow    jkm0408b_18

August    Greenville County    SC

Roadside

image of Helenium amarum var. amarum

JK Marlow    jkm070831_020

August    Greenville County    SC

Roadside

The single stout stem is much-branched above, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Helenium amarum var. amarum

JK Marlow    jkm070831_022

August    Greenville County    SC

Roadside

image of Helenium amarum var. amarum

JK Marlow    jkm140803_287

August    Greenville County    SC

Furman University

You'd almost think this was a little pine with flowers glued on...

image of Helenium amarum var. amarum

Gill Newberry    gn09_h_amarum_habitat

September        

image of Helenium amarum var. amarum

Gill Newberry    gn09_helenium_amarum

September        

image of Helenium amarum var. amarum

JK Marlow    jkm0309o_16

September    Horry County    SC

Myrtle Beach State Park

"Gives an abominable taste to the milk of cows," said Rafinesque in 1817

image of Helenium amarum var. amarum

JK Marlow    jkm060928_049

September    York County    SC

Utility right-of-way

image of Helenium amarum var. amarum

Tim Spira    tpshamarum

Month Unknown        

Ray flowers 5-10, reflexed, wedge-shaped, with 3 lobes at the tip, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.