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Helenium amarum (Raf.) H. Rock
AMERICAN SNEEZEWEED
Bitter Sneezeweed; Gaillardia amara Raf; Yellowdicks

Life   Plantae   Dicotyledoneae   Asteraceae   Helenium

Helenium amarum
© Copyright Bobby Hattaway 2011 · 5
Helenium amarum

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Helenium amarum
© Copyright Bobby Hattaway 2011 · 5
Helenium amarum
Helenium amarum
© Copyright Bobby Hattaway 2011 · 5
Helenium amarum

Helenium amarum
© Copyright Bobby Hattaway 2011 · 5
Helenium amarum
Helenium amarum
© Copyright Bobby Hattaway 2011 · 5
Helenium amarum

Helenium amarum
© Copyright Bobby Hattaway 2011 · 5
Helenium amarum
Helenium amarum, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Helenium amarum, whole plant - in flower - general view

Helenium amarum, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Helenium amarum, whole plant - in flower - general view
Helenium amarum, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Helenium amarum, inflorescence - whole - unspecified

Helenium amarum, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Helenium amarum, inflorescence - whole - unspecified
Helenium amarum, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Helenium amarum, inflorescence - whole - unspecified

Helenium amarum, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Helenium amarum, leaf - on upper stem
Helenium amarum, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Helenium amarum, stem - showing leaf bases

Associates · map
FamilyScientific name @ source (records)
Apidae  Svastra atripes @ BBSL (1)
Megachilidae  Megachile albitarsis @ BBSL (1)

Megachile petulans @ BBSL (1)

Megachile xylocopoides @ BBSL (2)
Miridae  Keltonia sulphurea @ MEMU_ENT (1)

Lygus lineolaris @ MEMU_ENT (36)

Polymerus basalis @ MEMU_ENT (53); AMNH_PBI (3)

Pseudatomoscelis seriatus @ MEMU_ENT (9)

Taylorilygus apicalis @ MEMU_ENT (1)

Trigonotylus tenuis @ MEMU_ENT (2)

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Following modified from MIssouriPlants.com
   Top | See original


Helenium amarum (Raf.) H. Rock

Sneeze Weed

Helenium amarum plant

Family - Asteraceae

Stems - No info. yet.

Leaves - No info. yet.

Inflorescence - No info. yet.

Involucre - No info. yet.

Helenium amarum involucre Involucre.

Flowers - No info. yet.

Helenium amarum flowers

Flowering - June - November.

Habitat - Fields, waste ground, glades, rocky open ground, sandy ground, roadsides, railroads.

Origin - Native to U.S.

Other info. - This species is most common in the southern half of Missouri but is found scattered throughout the state. The plant is very common along roadsides and waste ground in its range. This is an easy species to identify in the field because of its thin leaves and big yellow flower heads.
H. amarum is toxic to humans and livestock and is seldom eaten. If it is ingested by milk producing cows, the milk will be bitter and unpalatable. Because of this, the species is sometimes called "Bitterweed."

Photographs taken in the Croatan National Forest, NC., 7-12-02.


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Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=HEAM ---> https://plants.usda.gov/java/profile?symbol=HEAM
https://plants.usda.gov/java/profile?symbol=HEAM ---> http://plants.usda.gov/core/profile?symbol=HEAM
http://plants.usda.gov/core/profile?symbol=HEAM ---> https://plants.usda.gov/core/profile?symbol=HEAM
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You are here: Home / Plant Profile

Helenium amarum (Raf.) H. Rock
sneezeweed

Image of Helenium amarum

General Information
Symbol: HEAM
Group: Dicot
Family: Asteraceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : L48   N
Other Common Names: bitter sneezeweed
yellowdicks
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

click on a thumbnail to view an image, or see all the Helenium thumbnails at the Plants Gallery

Clarence A. Rechenthin. Provided by USDA NRCS East Texas PMC (ETPMC) . Usage Requirements .

©Ted Bodner. James H. Miller and Karl V. Miller. 2005. Forest plants of the southeast and their wildlife uses. University of Georgia Press., Athens. Provided by University of Georgia Press . Scanned by Forestry Images . Usage Requirements .

slideshow

Synonyms

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae ⁄ Compositae – Aster family
Genus Helenium L. – sneezeweed
Species Helenium amarum (Raf.) H. Rock – sneezeweed

Subordinate Taxa

The Plants Database includes the following 2 subspecies of Helenium amarum . Click below on a thumbnail map or name for subspecies profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Helenium amarum</i>
(Raf.) H. Rock var. <i>
amarum </i>
Helenium amarum var. amarum
sneezeweed Distribution of <i>
Helenium amarum</i>
(Raf.) H. Rock var. <i>
badium</i>
(A. Gray ex S. Watson) Waterf.
Helenium amarum var. badium
sneezeweed

Legal Status

U.S. Weed Information
Helenium amarum bitter sneezeweed yellowdicks This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
KY Haragan, P.D.. 1991. Weeds of Kentucky and adjacent states: a field guide . The University Press of Kentucky. Lexington, Kentucky.
SWSS Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM . Southern Weed Science Society. Champaign, Illinois.

Wetland Status

Interpreting Wetland Status

North America
Arid West FACU
Atlantic and Gulf Coastal Plain FACU
Eastern Mountains and Piedmont FACU
Great Plains FACU
Midwest FACU
Northcentral & Northeast FACU
Western Mountains, Valleys, and Coast FACU

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (HEAM)
CalPhotos (HEAM)
Integrated Taxonomic Information System (HEAM)
Jepson Interchange (University of California - Berkeley) (HEAM)
Lady Bird Johnson Wildflower Center Native Plant Information Network (HEAM)
USF Atlas of Florida Vascular Plants (HEAM)
University of Tennessee Herbarium (Distribution) (HEAM)
Related Websites
IL-Weeds of the North Central States (HEAM)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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Following modified from Flora of North America
   Top | See original

Link to Flora of North America home
 
All Floras       Advanced Search
FNA Vol. 21 Page 427, 428 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 21 | Asteraceae | Helenium

1. Helenium amarum (Rafinesque) H. Rock, Rhodora. 59: 131. 1957.

Yellowdicks, fiveleaf sneezeweed

Gaillardia amara Rafinesque, Fl. Ludov., 69. 1817 (as Galardia); Helenium tenuifolium Nuttall

Annuals, 10—100 cm. Stems 1—3(—15), usually branched distally, not winged, glabrous or sparsely hairy. Leaves glabrous or sparsely hairy; basal blades linear to ovate, entire or pinnately toothed or lobed to pinnatifid; mid and distal blades linear, entire. Heads (1—)10—150(—250+) per plant, in paniculiform arrays. Peduncles 3—11 cm, sparsely hairy. Involucres hemispheric to globose or globoid, 5—9 × 6—10 mm. Phyllaries moderately to densely hairy. Ray florets 8—10, pistillate, fertile; corollas yellow, 4.5—14 × 2—10 mm. Disc florets 75—250+; corollas yellow proximally, yellow to yellow-brown or purple distally, 1.6—2.7 × 0.8—1.2 mm, lobes 5. Cypselae 0.7—1.3 mm, moderately to densely hairy; pappi of 6—8 entire, aristate scales 1—1.8 mm.

Varieties 2 (2 in the flora): se United States, n Mexico.

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Helenium+amarum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Helenium+amarum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

CalPhotos    
Contributors       Log In  
 

Number of matches : 14
Query: SELECT * FROM img WHERE ready=1 and taxon like "Helenium amarum%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Helenium amarum
Helenium amarum
Yellow Sneezeweed
ID: 0175 3301 2284 0049 [detail]
© 2001 CDFA

Helenium amarum
Helenium amarum
Yellow Sneezeweed
ID: 0175 3301 2284 0048 [detail]
© 2001 CDFA

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0769 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0770 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0771 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0772 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0773 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0775 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0167 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0168 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0169 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0170 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0171 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0172 [detail]
© 2015 Richard Spellenberg

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


Copyright © 1995-2018 UC Regents. All rights reserved.

CalPhotos is a project of BNHM      University of California, Berkeley

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Helenium+amarum+var.+amarum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Helenium+amarum+var.+amarum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

CalPhotos    
Contributors       Log In  
 

Number of matches : 6
Query: SELECT * FROM img WHERE ready=1 and taxon like "Helenium amarum var. amarum%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0769 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0770 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0771 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0772 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0773 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. amarum
Helenium amarum var. amarum
Yellowdicks
ID: 0000 0000 0315 0775 [detail]
© 2015 Richard Spellenberg

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


Copyright © 1995-2018 UC Regents. All rights reserved.

CalPhotos is a project of BNHM      University of California, Berkeley

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Helenium+amarum+var.+badium&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Helenium+amarum+var.+badium&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

CalPhotos    
Contributors       Log In  
 

Number of matches : 6
Query: SELECT * FROM img WHERE ready=1 and taxon like "Helenium amarum var. badium%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0167 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0168 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0169 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0170 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0171 [detail]
© 2015 Richard Spellenberg

Helenium amarum var. badium
Helenium amarum var. badium
Basin Sneezeweed
ID: 0000 0000 0515 0172 [detail]
© 2015 Richard Spellenberg

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


Copyright © 1995-2018 UC Regents. All rights reserved.

CalPhotos is a project of BNHM      University of California, Berkeley

Updated: 2018-11-15 02:20:34 gmt
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