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Scientific Name:
Lemna minor
Pronunciation:
LEM-nuh MY-nor
Common Name:
common duckweed
Family Name:
Araceae
Plant Type:
Annual, Weed (horticultural)
Key ID Features:
Floating aquatic weed; fronds 2-6mm long, succulent, flat and circular, similar in appearance to squashed peas, un-stalked but with thin adventitious roots arising from the blade.

Habit:
Spreading
Form:
Creeping / Mat-like
Texture:
Fine
Mature Height:
< 0.1m
Mature Spread:
4 - 5m
Growth Rate:
Fast
Origin:
Australia / New Zealand, North America, South Asia / India
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun
Soil/Growing Medium:
Bog
Water Use:
High, Wetlands
Landscape Uses:
Aquatic - ponds, Wetland - bogs, Wildlife food
Additional Info:

Leaf Morphology:
Form:
Simple, Lobed
Arrangement:
Whorled
Texture/Venation:
Succulent
Surfaces:
Lustrous
Colour in Fall:
Green
Shapes:
Elliptic, Obovate, Ovate
Apices:
Obtuse
Bases:
Obtuse
Margins:
Additional Info:
very small: 1-8 mm x and 0.6-5 

Inflorescence Type:
Flowers solitary
Flower Morphology:
Flowers perfect
Number Of Petals:
0
Colour (petals):
Not showy, White, Green-yellow
Flower Scent:
None
Flower Time at Peak:
May, Jun, Jul
Additional Info:
rarely produced or seen

Fruit Type:
Achene
Fruit Colour:
Green-yellow
Fruiting Time:
Jul, Aug
Additional Info:
Fruit insignificant, Achene-like bladder called an utricle

Bark or Stem Colour:
Organ Modifications:
Succulent leaves, Succulent stems
Propagation:
Division - above ground parts
Pest Susceptibility:
(Pest resistant, Disease resistant)

Course(s):
  • HORT 1155
  • CLT Training
Location(s):
  • (GAZ)  GAZebo
  • (GAZS)  GAZebo South
  • (PDE)  PonD East
  • (PDW)  PonD West
Location Map