Scientific NameErechtites hieracifolia
Other Common Names:
Synonyms (former Scientific Names):
This weed is an erect summer annual that ranges in height from 1 to 9 feet tall.
Alternate, elliptic to lanceolate in outline, approximately 2 to 8 inches long, 1/2 to 2 1/2 inches wide. Leaves have a sharp-pointed apex (acute) and margins that are irregularly toothed. Most leaves will not be lobed but it is possible.
An erect summer annual with alternate, lanceolate leaves that have toothed margins. Erect plants with alternate, lanceolate leaves that have toothed margins. When mature, the feathery white seedheads are also key features of these plants.
Flower Seed Head
Flowers occur in panicles at the ends of stems. Individual flower heads are 3 to 10 mm wide, and cream to pinkish in color.
A brown nutlet that contains many white pappus that disperse the seed.
Fireweed is primarily a weed of pastures, abandoned fields, and some agronomic crops.
upright and nonwoody
Thorns or Spines
Approximate Flower Diameter
Dominant Flower Color
shorter than leaf
Stem Cross Section
round or oval