Scientific Name:
Lamium purpureum
Pronunciation:
LAY-mee-um pur-PUR-ee-um
Common Name:
purple deadnettle
Family Name:
Lamiaceae
Plant Type:
Annual (true), Invasive plant
Key ID Features:
Invasive weed; leaves opposite, most ovate, 2-4cm long x 1.5-3cm wide, toothed, pubescent; florets pink to violet-purple in whorls.
Habit:
Spreading
Form:
Creeping / Mat-like
Texture:
Medium - fine
Mature Height:
0.4 - 0.7m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Fast
Origin:
Central / west Asia, Europe
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Part sun/part shade, Filtered shade, Deep shade
Soil/Growing Medium:
Humus rich, Well-drained
Water Use:
Moderate, Low
Landscape Uses:
Container planting
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Opposite
Texture/Venation:
Soft flexible, Heavily veined, Pinnate venation
Surfaces:
Rugose, Pubescent
Colour in Summer:
Green, Purple, Dark-red
Shapes:
Deltoid, Ovate, Rhomboidal
Apices:
Acute
Bases:
Rounded
Margins:
Ciliate, Dentate
Inflorescence Type:
Verticillaster, Spike-like
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Bilabiate
Ovary Position:
Superior
Colour (petals):
Showy, Violet, Purple, Pink
Flower Time at Peak:
Apr, May, Jun
Fruit Type:
Schizocarp
Fruit Colour:
Brown
Fruiting Time:
Jun, Jul
Additional Info:
Not showy, Ovary separates into four tiny mericarps or "nutlets" that are enclosed in a persistent calyx
Bark Morphology:
Smooth
Bark or Stem Colour:
Green
Additional Info:
ribbed
Organ Modifications:
Rhizomes, Runners (or stolons)
Propagation:
Seed, Layering, Division - below ground parts
Pest Susceptibility:
(Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)
