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Scientific Name:
Prunella vulgaris
Pronunciation:
proo-NELL-uh vul-GAIR-iss
Common Name:
self-heal
Family Name:
Lamiaceae
Plant Type:
Herbaceous perennial, Weed (horticultural)
Key ID Features:
Stems squarish in c.s., common lawn weed that can be kept short by mowing; leaves opposite, ovate to lanceolate, toothed; florets blue, in spike-like verticillasters.

Habit:
Spreading
Form:
Irregular
Texture:
Medium
Mature Height:
0.2 - 0.4m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Fast
Origin:
Europe
Hardiness Rating:
Zone 3: (-40 to -34 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Rocky or gravelly or dry
Water Use:
Low, Summer dry
Landscape Uses:
Erosion control, Herb, Medicinal plant
Additional Info:
Google. Compare to purple deadnettle (also on campus).

Leaf Morphology:
Form:
Simple
Arrangement:
Opposite
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Pubescent
Colour in Fall:
Brown
Shapes:
Ovate
Apices:
Acute, Rounded
Bases:
Rounded
Margins:
Ciliate, Crenate, Entire
Additional Info:
Rarely with mottled variegation (unlike lamium)

Inflorescence Type:
Verticillaster
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Bilabiate
Ovary Position:
Superior
Colour (petals):
Showy, Blue, Violet
Flower Time at Peak:
Apr, May, Jun, Jul
Additional Info:
spike-like inflorescence

Fruit Type:
Schizocarp
Fruit Colour:
Brown
Fruiting Time:
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

Course(s):
  • HORT 1155
Location(s):
  • (BUG)  BUG garden
  • (ONW)  Overpass North side West
  • (WDH)  Wark-Dumais House
  • (WDY)  WeeDY location
Location Map