Ageratina herbacea (A.Gray) R.M.King & H.Rob.

Fragrant snakeroot (en)

Species

Angiosperms > Asterales > Asteraceae > Ageratina

Characteristics

Perennials or subshrubs, (20–)30–60(–80) cm (woody crowns and woody rhizomes). Stems erect (brittle), minutely puberulent. Leaves opposite; petioles 10–25 mm; blades triangular to lanceolate-ovate or ovate, 2–5(–7) × 1.5–3.5(–4.5) cm, bases truncate to shallowly cordate, margins dentate to serrate-dentate, abaxial faces sparsely hispidulous to glabrate, eglandular. Heads clustered. Peduncles 4–15 mm, puberulent. Involucres 4–5 mm. Phyllaries: apices acute, abaxial faces granular-puberulent. Corollas white, glabrous. Cypselae finely strigose-hispidulous. 2n = 34.
Life form perennial
Growth form
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 1.3
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Pine, Pine-Oak, Pinyon-Juniper woodlands, rocks along streams, slopes, ridges and washes; at elevations of 1,400-2,700 metres.
Light 4-9
Soil humidity 5-7
Soil texture 1-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 5-9

Usage

Uses medicinal
Edible -
Therapeutic use Analgesic (unspecified), Febrifuge (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Flower

Ageratina herbacea flower picture by Austin Neal (cc-by-sa)
Ageratina herbacea flower picture by Austin Neal (cc-by-sa)

Distribution

Ageratina herbacea world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:6924-2
WFO ID wfo-0000030004
COL ID 6648Z
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ageratina betulaefolia Eupatorium prionobium Kyrstenia betulaefolia Kyrstenia herbacea Ageratina prionobia Kyrstenia betulifolia Eupatorium betulifolium Eupatorium herbaceum Eupatorium betulaefolium Kyrstenia arizonica Eupatorium arizonicum Eupatorium occidentale var. arizonicum Eupatorium ageratifolium var. herbaceum Ageratina herbacea