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Marcus, Joseph A.
Helenium amarum (Raf.) H. Rock
Yellow Sneezeweed, Bitterweed, Yellow bitterweed, Yellowdicks, Slender-leaved sneezeweed, Fine-leaved sneezweed, Yellow dog-fennel
USDA Symbol: heam
USDA Native Status: L48 (N)
The genus is thought to have been named by Linnaeus for Helen of Troy. The legend is that the flowers sprung up from the ground where her tears fell.
Plant CharacteristicsDuration: Annual Habit: Herb Flower: Flower
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Apr , May , Jun , Jul , Aug , Sep
, WI Native Habitat:
Prairie, Plains, Meadows, Pastures, Savannahs, Woodlands edge, Opening
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Desturbed, Acid-based, Calcareous, Limestone-based, Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay.
BenefitUse Ornamental: Can be mowed, Pocket prairie, Wildflower meadow, Aromatic
Conspicuous Flowers: yes
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Herbarium Specimen(s)NPSOT 0920
Collected Aug 27. 1994 in Bexar County by Mike FoxNPSOT 0585
Collected May 11, 1990 in Bexar County by Harry Cliffe
Wildflower Center Seed BankLBJWC-560
Collected 2007-08-28 in Travis County by Lady Bird Johnson Wildflower CenterLBJWC-24
Collected 2006-05-22 in Travis County by Lady Bird Johnson Wildflower Center
Record Last Modified: 2011-04-12
Research By: TWC Staff