AsteraceaeMatricaria discoidea
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: All Spring And Summer
- Life Cycle: Annual
- Height: 2--10 inches
- Habitat: Disturbed, Meadow
- Found In: Olympic NP, Mt. Rainier NP, N Cascades NP
- Native: Yes
More Information:
- Latin synonyms: Matricaria matricariodes, Chamomilla suaveolens
- More Photos
- USDA Plants Database
- CalPhotos
- Oregon Flora Project Atlas
- E-Flora BC
- WTU Herbarium Image Collection
- UW Herbarium - Vascular Plant Collection