Ageratina altissima (L.) R.M.King & H.Rob.

White snakeroot (en), Agératine (fr)

Species

Angiosperms > Asterales > Asteraceae > Ageratina

Characteristics

A perennial hermaphrodite deciduous herb. It grows 1.5-2.25m high.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.5 - 1.0
Mature height (meter) 1.5 - 2.25
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.3
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Low woods in river valleys in Texas. Moist forests, cove forests at elevations of 10-800 metres
Light 4-7
Soil humidity 5-7
Soil texture 1-5
Soil acidity 4-8
Soil nutriment -
Hardiness (USDA) 6-9

Usage

Uses medicinal poison
Edible -
Therapeutic use Diuretic (root), Stimulant (root), Tonic (root), Blood Medicine (root), Cathartic (root), Diaphoretic (root), Gynecological Aid (root), Venereal Aid (root), Antidiarrheal (unspecified), Febrifuge (unspecified), Misc. Disease Remedy (unspecified), Urinary Aid (unspecified), Panacea (unspecified), Veterinary Aid (unspecified), Witchcraft Medicine (unspecified), Amygdalitis (unspecified), Apertif (unspecified), Bite(Leech) (unspecified), Catarrh (unspecified), Cold (unspecified), Cough (unspecified), Diabetes (unspecified), Emmenagogue (unspecified), Fever (unspecified), Flu (unspecified), Gargle (unspecified), Hemostat (unspecified), Hoarseness (unspecified), Inflammation (unspecified), Laryngitis (unspecified), Lash (unspecified), Leptospirosis (unspecified), Rheumatism (unspecified), Vermifuge (unspecified), Amenorrhea (unspecified), Decongestant (unspecified), Diarrhea (unspecified), Pertussis (unspecified), Cataplasm (unspecified), Fatality (unspecified), Poison (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) 84
Germination temperacture (C°) 8 - 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Ageratina altissima habit picture by paige michael (cc-by-sa)
Ageratina altissima habit picture by Randy Callahan (cc-by-sa)
Ageratina altissima habit picture by Matthias Foellmer (cc-by-sa)

Leaf

Ageratina altissima leaf picture by paige michael (cc-by-sa)
Ageratina altissima leaf picture by paige michael (cc-by-sa)
Ageratina altissima leaf picture by Randy Callahan (cc-by-sa)

Flower

Ageratina altissima flower picture by ryan (cc-by-sa)
Ageratina altissima flower picture by Robert Elkins (cc-by-sa)
Ageratina altissima flower picture by Ryan Strain (cc-by-sa)

Distribution

Ageratina altissima world distribution map, present in Austria, Belgium, Canada, Germany, Hungary, Poland, Korea (Democratic People's Republic of), United States of America, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:6815-2
WFO ID wfo-0000080123
COL ID 5TRWB
BDTFX ID 7937
INPN ID 80388
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Eupatorium urticifolium f. verticillatum Kyrstenia altissima Kyrstenia aboriginum Eupatorium urticifolium Ageratina ageratoides Eupatorium aboriginum Eupatorium eurybiaefolium Eupatorium frasieri Eupatorium boreale Ageratum altissimum Batschia nivea Eupatorium urticifolium f. urticifolium Eupatorium rugosum Kyrstenia borealis Eupatorium altissimum Eupatorium urticifolium var. angustatum Eupatorium rugosum var. rugosum Eupatorium rugosum var. tomentellum Eupatorium rugosum var. villicaule Eupatorium rugosum var. chlorolepis Eupatorium urticifolium var. trifolium Eupatorium urticifolium var. tomentellum Eupatorium urticifolium var. villicaule Ageratina altissima var. altissima Eupatorium urticifolium var. urticifolium Eupatorium ageratoides var. angustatum Eupatorium rugosum f. rugosum Eupatorium odoratum Ageratina altissima

Lower taxons

Ageratina altissima var. angustata