Scientific Name:
Matricaria discoidea
Pronunciation:
mat-ri-KAR-ee-uh dis-KOY-dee-uh
Common Name:
pineapple weed
Family Name:
Asteraceae
Plant Type:
Annual (true), Weed (horticultural)
Key ID Features:
Annual weed 4-40cm tall; stem leaves alternate, most oblong, 1-7cm long x 0.2-2cm wide; flower heads cone-shaped, composed of many densely packed disk florets with yellowish-green corollas, ray florets absent, have a chamomile-pineapple aroma when crushed.
Habit:
Spreading, Upright
Form:
Irregular
Texture:
Fine
Mature Height:
0.1 - 0.2m
Mature Spread:
0.1 - 0.3m
Origin:
North America (also northest Asia; now cosmopolitan)
Hardiness Rating:
Zone 6: (-23 to -18 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Landscape Uses:
Attract beneficial insects, Attract butterflies, Herb
Additional Info:
Leaf Morphology:
Form:
Dissected, Compound
Arrangement:
Alternate, Basal
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Pubescent, Distinctive smell
Compound Leaf:
Tripinnate
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, Yellow, Green-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
Maintenance:
High
Pest Susceptibility:
(Pest resistant, Disease resistant, Drought tolerant)
