Matricaria matricariodes

Common Name: 
pineappleweed, rayless chamomile, mayweed
Scientific Name: 
Matricaria matricariodes (Less.) C.L. Porter
Family Name: 
Asteraceae (Compositae) - Aster or Sunflower Family
Identification Notes
Life Cycle
introduced summer or winter annual, reproducing by seed
Stems
upright, smooth, hairless, branched
Stems of Pineappleweed
Stems of Pineappleweed
Leaves
alternate, finely dissected, hairless
Leaves of Pineappleweed
Flowers
greenish-yellow disk (tubulate) florets; terminal cone-shaped heads, solitary or numerous per stem; ray (ligulate) florets absent
Flowers of Pineappleweed
Other: 
pineapple-like scent when bruised or crushed