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Erigeron bonariensis

Common Name(s):

Previously known as:

  • Conyza bonariensis
Phonetic Spelling
er-IJ-er-on boh-nair-ee-EN-sis
This plant has low severity poison characteristics.
See below
Description

HairyfFleabane is a rapidly growing summer annual or biennial weed in the Asteraceae (daisy) family.  It is found in disturbed sides, roadsides, urban areas, and cultivated fields.  It has gray green hairy leaves.  
 

Insects, Diseases, and Other Plant Problems:  It may cause contact dermatitis.  

 

 

 

 

See this plant in the following landscape:
Cultivars / Varieties:
Tags:
#weeds#weedy#summer annual weed#high maintenance#fast growing#gray-green leaves#contact dermatitis
 
Cultivars / Varieties:
Tags:
#weeds#weedy#summer annual weed#high maintenance#fast growing#gray-green leaves#contact dermatitis
  • Attributes:
    Genus:
    Erigeron
    Species:
    bonariensis
    Family:
    Asteraceae
    Life Cycle:
    Annual
    Recommended Propagation Strategy:
    Seed
    Country Or Region Of Origin:
    Mexico
  • Whole Plant Traits:
    Plant Type:
    Weed
    Habit/Form:
    Erect
    Growth Rate:
    Rapid
    Maintenance:
    High
  • Fruit:
    Fruit Color:
    Cream/Tan
    Display/Harvest Time:
    Fall
    Summer
    Fruit Type:
    Achene
    Fruit Description:
    Looks like a small “puffball” of a dandelion bristle bearing seeds form a fuzzy, spherical, cream-colored "head".  Seeds are tiny, narrow, football-shaped, or oblong, and approximately 1/17 of an inch
  • Flowers:
    Flower Color:
    Cream/Tan
    Gold/Yellow
    Green
    Flower Inflorescence:
    Head
    Flower Bloom Time:
    Summer
    Flower Petals:
    7 - 20 petals/rays
    Bracts
    Flower Description:
    Head flowers are found on the end of stems with a green, cup-shaped base formed by bracts that overlap. It tapers toward the top with small, yellow disk flowers surrounded by cream-colored bristles.
  • Leaves:
    Leaf Color:
    Gray/Silver
    Green
    Leaf Feel:
    Soft
    Leaf Type:
    Simple
    Leaf Arrangement:
    Alternate
    Leaf Shape:
    Elliptical
    Leaf Margin:
    Dentate
    Entire
    Hairs Present:
    Yes
    Leaf Description:
    Gray-green alternate leaves entire to slightly toothed. Basal leaves as well as ones along the stems.
  • Stem:
    Stem Is Aromatic:
    No
  • Landscape:
    Problems:
    Contact Dermatitis
  • Poisonous to Humans:
    Poison Severity:
    Low
    Poison Symptoms:
    Causes contact dermatitis
    Poison Toxic Principle:
    Sesquiterpene lactones
    Causes Contact Dermatitis:
    Yes