Scientific Name:
Nasturtium officinale
Pronunciation:
nas-STUR-shum oh-fiss-ih-NAH-lee
Common Name:
watercress
Family Name:
Brassicaceae
Plant Type:
Aquatic plant, Herbaceous perennial
Key ID Features:
Leaves pinnately divided with 3-7 oval leaflets, entire to wavy-edged; florets up to 6mm wide in terminal clusters, white; fruit a silique with tips curved upwards.
Habit:
Spreading
Form:
Creeping / Mat-like
Texture:
Medium - fine
Mature Height:
0.4 - 0.7m
Mature Spread:
2 - 3m
Growth Rate:
Fast
Origin:
Europe, South Asia / India
Hardiness Rating:
Zone 6: (-23 to -18 °C)
Exposure:
Full sun only if soil kept moist, Part sun/part shade, Filtered shade
Soil/Growing Medium:
Landscape Uses:
Aquatic - ponds, Herb, Medicinal plant, Wetland - bogs
Additional Info:
Google. (Not to be confused with garden nasturtium).
Leaf Morphology:
Form:
Compound
Arrangement:
Alternate
Texture/Venation:
Soft flexible
Surfaces:
Lustrous
Compound Leaf:
Odd-pinnate
Colour in Summer:
Dark-green
Shapes:
Orbicular, Ovate
Apices:
Rounded
Bases:
Rounded
Margins:
Entire, Undulate (wavy)
Inflorescence Type:
Raceme
Flower Morphology:
Flowers perfect
Number Of Petals:
4
Corolla Shape:
Cruciform
Ovary Position:
Superior
Colour (petals):
White
Flower Time at Peak:
May, Jun
Fruit Type:
Silique
Fruit Colour:
Green
Fruiting Time:
Jul, Aug
Bark Morphology:
Smooth
Bark or Stem Colour:
Green
Organ Modifications:
Aerial or climbing roots, Rhizomes
Pest Susceptibility:
Aphids or adelgids
Course(s):
- not used (off campus)
Location(s):
- (LTW) Langley Township Walk : ditch 203 ave & 64th
- (NCA) Not Currently Available : not used