Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Helenium amarum var. amarum
FAMILY
Asteraceae
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Helenium at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helenium amarum var. amarum
FAMILY
Asteraceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-75-006:
Helenium amarum
FAMILY
Asteraceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Helenium tenuifolium
COMMON NAME:
Bitterweed, Yellow Sneezeweed
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hete14_001_lvd
)
JK Marlow jkm140617_097
June Greenville County SC
Stem leaves linear, 2-7cm long, 1-4mm wide, base not decurrent on stem, per Vascular Flora of the Carolinas.
)
JK Marlow jkm210624_1496
June SpartanburgCounty SC
Low much-branched plant with numerous linear, even threadlike, leaves, per Wildflowers of the Southern Mountains.
)
JK Marlow jkm210624_1501
June SpartanburgCounty SC
Ray flowers 5-10, reflexed, wedge-shaped, with 3 lobes at the tip, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
)
JK Marlow jkm210624_1504
June SpartanburgCounty SC
The single stout stem is much-branched above, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
)
JK Marlow jkm210624_1509
June SpartanburgCounty SC
Involucre one series of linear bracts, per Vascular Flora of the Carolinas.
COMPARE
involucral bracts of DYCs
)
JK Marlow jkm210624_1511
June SpartanburgCounty SC
)
JK Marlow jkm140803_287
August Greenville County SC
Furman University
You'd almost think this was a little pine with flowers glued on...
)
Gill Newberry gn09_helenium_amarum
September
)
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
)
JK Marlow jkm060928_049
September York County SC
Utility right-of-way
)
JK Marlow jkm181110_5711
November Horry County SC
Myrtle Beach State Park
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 (Radford, Ahles, & Bell, 1968) 179-75-006:
Helenium amarum
FAMILY
Asteraceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Helenium tenuifolium
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
Click here to see a more detailed map from University of North Carolina at Chapel Hill Herbarium,
or click here to see a map from SERNEC, a consortium of southeastern herbaria.
...Variable
LEAVES:
Simple
Alternate (basal & lower stem leaves usually absent or withered at flowering)
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!
- All About South Carolina Wildflowers p168
- Forest Plants of the Southeast and Their Wildlife Uses p092
- Guide to the Wildflowers of SC p386
- Wildflowers of the Atlantic Southeast p279
- Wildflowers of the Carolina Lowcountry p209
- Wildflowers of the Eastern United States p128
- Wildflowers of Tennessee p299
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p348
- Wildflowers of the Southern Mountains p190
- Wildflowers of the Sandhills Region p323
- Weeds of Southern Turfgrasses p102