Canada

Pineappleweed (wild chamomile)

Matricaria discoidea (Matricaria matricarioides)

The flower head is cone-shaped, composed of dense-packed yellowish-green corollas, and lacking ray-florets. The leaves are pinnately dissected and sweet-scented when crushed. The plant grows 2 to 16 inches (5.1 to 40.6 cm) high. Flowerheads are produced from March to September.