Details of...
Scientific Name: Matricaria discoidea
Pronunciation: mat-ri-KAR-ee-uh dis-KOY-dee-uh
Common Name: pineapple weed
Family Name: Asteraceae
Plant Type: Annual, Weed (horticultural)
Key ID Features: Flower heads cone-shaped, composed of dense-packed yellowish-green corollas, and lacking ray-florets, have a chamomile/pineapple aroma when crushed.
Course(s): not used (on campus)

Habit: Spreading, Upright
Form: Irregular
Texture: Fine
Mature Size:
Height:0.1 - 0.2m
Spread:0.1 - 0.3m
Origin: North America (and N.E. Asia but now cosmopolitan)
Hardiness Rating: Zone 6: (-23 to -18 C)
Exposure: Full sun
Soil/ Growing Medium:
Landscape Uses: Attract beneficial insects, Attract butterflies, Herb
Additional Info: Google
pineapple weed
Leaf Morphology: Glossary
Form: Compound, Dissected
Arrangement: Alternate, Basal
Texture/ Venation: Pinnate venation, Soft flexible
Surfaces: Pubescent
Compound Leaf: Tripinnate
Leaf(let) Terms:
Shapes: Oblong
Apices: Acute
Bases: Truncate
Margins: Incised

Inflorescence Type: Head (capitulum)
Flower Morphology:Flowers perfect
Corolla Shape:Tubular
Ovary Position:Inferior
Colour (petals): Showy, Green-yellow, Yellow
Flower Time at Peak: Jun, Jul, Aug, Sep

Fruit Type: Achene
Fruit Colour: Brown
Fruiting Time: Sep, Oct

Bark or Stem Colour: Red
Organ Modifications: Storage tap root

Propagation: Seed
Pest Susceptibility: Pest resistant, Disease resistant, Drought resistant
(WDY) WeeDY location
Location Map

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