Matricaria discoidea
Asteraceae
Pineapple Weed
Erect, multibranched, hairless annual. When crushed has strong pineapple scent. Leaves to 2 in. long, deeply pinnately divided into many linear segments. Flower heads 1 or many on 1–2 in. stalks. Heads with very short or no ray flowers, cone of disk flowers yellow-green. Grows in moist waste places, cultivated soils, riverbanks. A common North American and European weed but a Pacific Northwest native.
- Rarity: Common
- Flowering Time: Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer
- Flower Form: Anthemis Tribe,Composite
- Life Cycle: Annual
- Height: 2–10 inches
- Habitat: Disturbed, Meadow
- Found In: Mt. Rainier NP, N Cascades NP, Olympic NP
- Native: Yes
- Latin Synonyms: Matricaria matricariodes, Chamomilla suaveolens
