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Photographer: Stephen L. Solheim
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Family Asteraceae
Matricaria discoidea DC.
pineapple-weed
Matricaria: from the Latin matrix, "the womb," the plant once having been used as a cure for female disorders
discoidea: without rays, discoid
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| Status: | Introduced - naturalized |
| Plant: | low, erect, annual, 1"-18" tall, branched forb with a pineapple odor; stems leafy and smooth |
| Flower: | head 3/8" wide, egg-shaped with yellow disk flower; inflorescence of several to many heads in a branched cluster; blooms May-Sept. |
| Fruit: | dry seed with no fluffy pappus |
| Leaf: | alternate, 1 to 3 times pinnately-divided into very narrow segments |
| Habitat: | disturbed sites |
| (Glossary) |
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