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

Wright's snakeroot (en)

Species

Angiosperms > Asterales > Asteraceae > Ageratina

Characteristics

Shrubs, 50–150 cm. Stems erect, puberulous. Leaves opposite proximally, alternate on distal 1/3–1/2 of stem; petioles narrowly winged, 3–5(–8) mm; blades ovate to deltate-ovate, mostly 1–2 × 0.5–1.5(–2) cm, bases truncate to cuneate or attenuate, margins entire or shallowly crenate, apices acute to blunt or obtuse, abaxial faces gland-dotted. Heads clustered. Peduncles 1–3 mm, puberulent. Involucres 3.5–4.5 mm. Phyllaries: apices acute, abaxial faces puberulent. Corollas pinkish white to pink, glabrous. Cypselae sparsely hispidulous.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.5 - 1.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 5-7
Soil texture 1-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-11

Usage

Uses poison
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:7069-2
WFO ID wfo-0000061860
COL ID 5TRXM
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ageratina wrightii Eupatorium wrightii Kyrstenia parvifolia