Scientific NameMatricaria matricarioides
Other Common Names:
Synonyms (former Scientific Names):
Pineapple weed has numerous hairless low-branching leafy stems. This species has a characteristic pineapple scent.
Divided into several 1-2 mm wide segments the leaves of pineapple weed are 1-5 cm long and alternately arranged.
Cone shaped flower heads, numerous branches under 40 cm, and distinct pineapple scent. This plant is an alternate host for raspberry Scottish leaf curl virus.
Flower Seed Head
1 mm across the flower heads are present early spring to late fall. The terminal cone-shaped flower heads are composed of yellow disk flowers and 2-3 rows of greenish yellow floral bracts with papery edges.
An achene gives rise to a glossy, 5-sided, egg-shaped, light brown seed. Seeds usually measure 1.3 to 1.6 mm long and are no more than 0.7 mm wide with a few dark ridges.
Prefers waste areas and roadsides, often found in the compacted soil of farmyards throughout Canada and the United States.
upright and nonwoody
Thorns or Spines
Approximate Flower Diameter
Dominant Flower Color
Stem Cross Section
round or oval