Pineapple weed – Matricaria discoidea
Print
EmailMatricaria discoidea DC.
Asteraceae (Aster family)
MI Status
Non-native
Life cycle
Pineapple-scented, fernlike winter or summer annual.
Leaves
Alternate, very finely dissected, feathery or fernlike leaves are hairless and 0.5 to 2 inches long. Leaves initially develop from a dense basal rosette. Damaged leaves emit a sweet pineapple odor.
Stems
Short, hairless, erect or spreading stems with multiple branching from the base, up to 16 inches in height.
Flowers and fruit
Numerous greenish yellow flowers in a globe- to cone-shaped head are formed on the ends of branches. Light green bracts surround the base of the flower head. Damaged flowers emit a sweet pineapple odor. The seed is enclosed in a single-seeded, oblong and ribbed, light brown fruit.
Reproduction
Seeds.
Other Documents in this Series
You Might Also Be Interested In
-
MSU Forestry online master’s program producing productive graduates
Published on September 20, 2024
-
CANR meets academic needs to prepare students for their futures
Published on February 1, 2020
-
How to support children after one year of virtual learning
Published on March 17, 2021
-
Reciprocal Research: A Guidebook to Centering Community in Partnerships with Indigenous Nations
Published on April 22, 2021
-
MSU students partner with Michigan communities to improve trail access
Published on May 30, 2025
Accessibility Questions:
For questions about accessibility and/or if you need additional accommodations for a specific document, please send an email to ANR Communications & Marketing at anrcommunications@anr.msu.edu.