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Prenanthes altissimus
  • Rattlesnake Root

a perennial member of the Prenanthes genus in the family Compositae.

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
  • Partial sun
    Partial sun
    The amount of sun exposure that a plant prefers in ideal conditions.
    Key
  • permanent shade
    Permanent 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
    Acid to Neutral
    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
  • 5
    Zone 5
    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
Prenanthes altissimus has 0 medicinal uses listed

Uses

Edible uses

There are no edible uses listed for Prenanthes altissimus.

Material uses

There are no material uses listed for Prenanthes altissimus.

Medicinal uses(Warning!)

The plant is used as a poultice[1]. A poultice of the crushed roots has been used to treat rattlesnake bites[2].

Unknown part

Antidote
Poultice

Ecology

Ecosystem niche/layer

Ecological Functions

Nothing listed.

Forage

Nothing listed.

Shelter

Nothing listed.

Propagation

Seed - sow early spring in a cold frame and only just cover the seed. When they are large enough to handle, prick the seedlings out into individual pots and plant them out into their permanent positions in the summer if they have grown enough. If not, grow them on in a cold frame for their first winter and plant them out the following spring after the last expected frosts. Division in spring.

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



Cultivation

Requires a moist but well-drained humus-rich neutral to acid soil in shade or semi-shade[3]. Suitable for naturalizing in the wild garden[3].

Crops

Problems, pests & diseases

Associations & Interactions

There are no interactions listed for Prenanthes altissimus. 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 Prenanthes altissimus.

Descendants

Cultivars

Varieties

None listed.

Subspecies

None listed.

Full Data

This table shows all the data stored for this plant.

Taxonomy
Binomial name
Prenanthes altissimus
Genus
Prenanthes
Family
Compositae
Imported References
Edible uses
Medicinal uses
[1][2]
Material uses & Functions
Botanic
[4]
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
5
Heat Zone
?
Water
moderate
Sun
partial sun
Shade
permanent shade
Soil PH
acid, neutral
Soil Texture
sandy, loamy, clay
Soil Water Retention
well drained
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
    perennial
    Growth Rate
    ?
    Mature Size
    1.8 x meters
    Fertility
    ?
    Pollinators
    Insects
    Flower Colour
    ?
    Flower Type
    hermaphrodite











    References

    1. ? 1.01.1 Usher. G. A Dictionary of Plants Used by Man. Constable ISBN 0094579202 (1974-00-00)
    2. ? 2.02.1 Moerman. D. Native American Ethnobotany Timber Press. Oregon. ISBN 0-88192-453-9 (1998-00-00)
    3. ? 3.03.1 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
    4. ? Fernald. M. L. Gray's Manual of Botany. American Book Co. (1950-00-00)


    Retrieved from "https://practicalplants.org/w/index.php?title=Prenanthes_altissimus&oldid=79687"
    Facts about "Prenanthes altissimus"RDF feed
    Article is incompleteYes +
    Article requires citationsNo +
    Article requires cleanupYes +
    Belongs to familyCompositae +
    Belongs to genusPrenanthes +
    Has binomial namePrenanthes altissimus +
    Has common nameRattlesnake Root +
    Has drought toleranceIntolerant +
    Has fertility typeInsects +
    Has flowers of typeHermaphrodite +
    Has hardiness zone5 +
    Has lifecycle typePerennial +
    Has mature height1.8 +
    Has medicinal partUnknown part +
    Has medicinal useAntidote + and Poultice +
    Has search nameprenanthes altissimus + and rattlesnake root +
    Has shade tolerancePermanent shade +
    Has soil ph preferenceAcid + and Neutral +
    Has soil texture preferenceSandy +, Loamy + and Clay +
    Has soil water retention preferenceWell drained +
    Has sun preferencePartial sun +
    Has taxonomic rankSpecies +
    Has taxonomy namePrenanthes altissimus +
    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 migratedYes +
    Tolerates nutritionally poor soilNo +
    Uses mature size measurement unitMeters +
    Has subobjectThis property is a special property in this wiki.Prenanthes altissimus + and Prenanthes altissimus +