Scientific Name:
Scirpus cyperinus
Pronunciation:
SIR-pus sip-ur-EYE-nus
Common Name:
woolgrass
Family Name:
Cyperaceae
Plant Type:
Herbaceous perennial, Poales (grass-like)
Key ID Features:
Leaves basal and then alternating up flowering stem, grass-like, up to 1m long x 12mm wide; flowers, small and not showy, in umbel-like inflorescence; fruit woolly, reddish brown achenes in arching umbels.
Habit:
Spreading, Stiffly upright, Upright
Form:
Oval - vertical
Texture:
Medium - fine
Mature Height:
1.3 - 2.0m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Fast
Origin:
Canada - eastern, U.S. - northeast
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Bog
Water Use:
High
Landscape Uses:
Aquatic - ponds, Fall interest, Waterside planting, Wetland - bogs, Wildlife food
Additional Info:
Google. Grass-like but is actually in the sedge family.
Leaf Morphology:
Form:
Simple, Grass-like
Arrangement:
Alternate, Basal
Texture/Venation:
Parallel venation
Surfaces:
Colour in Summer:
Green, Dark-green
Colour in Fall:
Green
Shapes:
Linear
Apices:
Acute
Bases:
Sheathing
Margins:
Serrulate
Additional Info:
With a membraneous ligule
Inflorescence Type:
Spikelet, Floriferous, Panicle-like
Flower Morphology:
Flowers perfect
Number Of Petals:
0
Ovary Position:
Superior
Colour (petals):
Not showy, Green, Brown
Flower Scent:
None
Flower Time at Peak:
Jun, Jul
Additional Info:
panicle umbrella like
Fruit Type:
Achene
Fruit Colour:
Dark-red, Brown
Fruiting Time:
Aug, Sep
Additional Info:
Showy, Persistent
Bark or Stem Colour:
Organ Modifications:
Rhizomes
Propagation:
Seed, Division - below ground parts
Pest Susceptibility:
(Pest resistant, Disease resistant)
Course(s):
- not used (on campus)
Location(s):
- (CGW) Community Garden West : next to burning bush