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Helenium amarum
  • Bitter Sneezeweed

an annual member of the Helenium genus in the family Compositae.

248px
Niche
  • Unknown
    Unknown
    The ecosystem niches for this plant are unknown. Do you know them? Click the edit button to add them!
Functions
  • None
    None
    There are no functions defined for this plant. Do you know of some? Click the edit button to add them!
Light
  • Full sun
    Full sun
    The amount of sun exposure that a plant prefers in ideal conditions.
    Key
  • no shade
    No shade
    The amount of shade a plant will tolerate without adverse health affects.
    Key
Water
  • Water Requirementsmoderate
    Moderate
    The amount of water a plant needs for healthy growth, relative to other plants.
    Key
Soil
  • acid,neutral,alkaline
    Unknown
    The PH range (acidity or alkilinity) of the growth medium ideal for healthy nutrient absorbtion.
    Key
  • Sandy to Clay
    The soil texture this plant prefers for optimal growth.
    Key
Cold & Heat
  • ?
    Unknown
    The USDA Hardiness scale assigns plants a number from 1 to 12 representing the minimum temperature a plant can survive.
    Key
    0< -53.9ºC< -65ºF
    1-51.1ºC-60ºF
    2-45.6ºC-50F
    3-40ºC-40ºF
    4-34.4ºC-30ºF
    5-28.9ºC-20ºF
    6-23.3ºC-10ºF
    7-17.8ºC0ºF
    8-12.2C10ºF
    9-6.7ºC20ºF
    10-1.1ºC30ºF
    114.4ºC40ºF
    12> 10ºC> 5ºF
  • ?
    Unknown
    The AHS Heat scale assigns plants a number from 1 to 12 representing the number of days per year a plant requires a temperature exceeding 30ºC (86ºF).
    Key
    11
    21 - 7
    38 - 14
    415 - 30
    531 - 45
    646 - 60
    761 - 90
    891 - 120
    9121 - 150
    10151 - 180
    11181 - 210
    12181 - 210
Helenium amarum has 0 medicinal uses listed

Uses

Toxic parts

All parts of the plant contain the glycoside gudaldin and can cause toxic symptoms in grazing animals. Cows that have eaten even a small amount of the plant produce extremely bitter, distasteful milk, whilst honey from the flowers is said to be bitter[1].

Edible uses

There are no edible uses listed for Helenium amarum.

Material uses

There are no material uses listed for Helenium amarum.

Medicinal uses(Warning!)

The plant is used to clear the nose of mucus[2]. (Is it used as a snuff?[K]) A decoction of the entire plant can be used in a sweat bath to treat dropsy and swellings[3].

Unknown part

Antiphlogistic
Expectorant

Ecology

Ecosystem niche/layer

Ecological Functions

Nothing listed.

Forage

Nothing listed.

Shelter

Nothing listed.

Propagation

Seed - sow spring in a greenhouse. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in early summer. If you have sufficient seed it would be worthwhile trying a sowing in situ outdoors in mid to late spring.

Practical Plants is currently lacking information on propagation instructions of Helenium amarum. Help us fill in the blanks! Edit this page to add your knowledge.



Cultivation

Grows well in ordinary garden soil[4]. Prefers a fertile moisture retentive soil in a sunny position[5]. Dislikes dry soils[5].

Plants seem to be immune to the predations of rabbits[6]. A good bee and butterfly plant[7].

The whole plant is very aromatic[5].

Crops

Problems, pests & diseases

Associations & Interactions

There are no interactions listed for Helenium amarum. Do you know of an interaction that should be listed here? edit this page to add it.

Polycultures & Guilds

There are no polycultures listed which include Helenium amarum.

Descendants

Cultivars

Varieties

None listed.

Subspecies

None listed.

Full Data

This table shows all the data stored for this plant.

Taxonomy
Binomial name
Helenium amarum
Genus
Helenium
Family
Compositae
Imported References
Edible uses
Medicinal uses
[2][3]
Material uses & Functions
Botanic
[8][5]
Propagation
Cultivation
Environment
Cultivation
Uses
Edible uses
None listed.
Material uses
None listed.
Medicinal uses
None listed.
Functions & Nature
Functions
Provides forage for
Provides shelter for
Environment
Hardiness Zone
?
Heat Zone
?
Water
moderate
Sun
full sun
Shade
no shade
Soil PH
acid, neutral, alkaline
Soil Texture
sandy, loamy, clay
Soil Water Retention
Environmental Tolerances
    Ecosystems
    Native Climate Zones
    None listed.
    Adapted Climate Zones
    None listed.
    Native Geographical Range
    None listed.
    Native Environment
    None listed.
    Ecosystem Niche
    None listed.
    Root Zone Tendancy
    None listed.
    Life
    Deciduous or Evergreen
    ?
    Herbaceous or Woody
    ?
    Life Cycle
    annual
    Growth Rate
    ?
    Mature Size
    0.6 x meters
    Fertility
    ?
    Pollinators
    Bees, Lepidoptera
    Flower Colour
    ?
    Flower Type
    hermaphrodite

    "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki. "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki. "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki.

    "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki. "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki.


    "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki.


    "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki., "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki., "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki. "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki., "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki., "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki.

    "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki.






    References

    1. ? Diggs, Jnr. G.M.; Lipscomb. B. L. & O'Kennon. R. J [Illustrated Flora of North Central Texas] Botanical Research Institute, Texas. (1999-00-00)
    2. ? 2.02.1 Usher. G. A Dictionary of Plants Used by Man. Constable ISBN 0094579202 (1974-00-00)
    3. ? 3.03.1 Chevallier. A. The Encyclopedia of Medicinal Plants Dorling Kindersley. London ISBN 9-780751-303148 (1996-00-00)
    4. ? F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press (1951-00-00)
    5. ? 5.05.15.25.3 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
    6. ? Thomas. G. S. Perennial Garden Plants J. M. Dent & Sons, London. ISBN 0 460 86048 8 (1990-00-00)
    7. ? Carter D. Butterflies and Moths in Britain and Europe. Pan ISBN 0-330-26642-x (1982-00-00)
    8. ? Fernald. M. L. Gray's Manual of Botany. American Book Co. (1950-00-00)

    "image:Helenium amarum1.jpg|248px" cannot be used as a page name in this wiki.

    Retrieved from "https://practicalplants.org/w/index.php?title=Helenium_amarum&oldid=77654"
    Facts about "Helenium amarum"RDF feed
    Article is incompleteYes +
    Article requires citationsNo +
    Article requires cleanupYes +
    Belongs to familyCompositae +
    Belongs to genusHelenium +
    Has binomial nameHelenium amarum +
    Has common nameBitter Sneezeweed +
    Has drought toleranceIntolerant +
    Has fertility typeBees + and Lepidoptera +
    Has flowers of typeHermaphrodite +
    Has imageHelenium amarum1.jpg +
    Has lifecycle typeAnnual +
    Has mature height0.6 +
    Has medicinal partUnknown part +
    Has medicinal useAntiphlogistic + and Expectorant +
    Has primary imageHelenium amarum1.jpg +
    Has search namehelenium amarum + and bitter sneezeweed +
    Has shade toleranceNo shade +
    Has soil ph preferenceAcid +, Neutral + and Alkaline +
    Has soil texture preferenceSandy +, Loamy + and Clay +
    Has sun preferenceFull sun +
    Has taxonomic rankSpecies +
    Has taxonomy nameHelenium amarum +
    Has water requirementsmoderate +
    Is taxonomy typeSpecies +
    PFAF cultivation notes migratedNo +
    PFAF edible use notes migratedYes +
    PFAF material use notes migratedYes +
    PFAF medicinal use notes migratedNo +
    PFAF propagation notes migratedNo +
    PFAF toxicity notes migratedNo +
    Tolerates nutritionally poor soilNo +
    Uses mature size measurement unitMeters +
    Has subobjectThis property is a special property in this wiki.Helenium amarum + and Helenium amarum +