Scientific Name:
Juncus effusus
Pronunciation:
JUNK-us eh-FEW-zus
Common Name:
common rush, bog rush
Family Name:
Juncaceae
Plant Type:
Aquatic plant, Poales (grass-like)
Key ID Features:
Rigid, upright, about 80cm high; stems narrow, round, dark-green linear; leaves small, narrow, reduced to basal sheaths.
Habit:
Stiffly upright
Form:
Vase
Texture:
Fine
Mature Height:
0.7 - 1.3m
Mature Spread:
1.0 - 1.5m
Growth Rate:
Fast
Origin:
Africa, Central / west Asia, Europe, North America, South America
Hardiness Rating:
Zone 6: (-23 to -18 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Bog
Water Use:
High, Moderate
Landscape Uses:
Wetland - bogs
Additional Info:
Google. Cultivars on campus may include J. 'Spiralis'.
Leaf Morphology:
Form:
Simple
Arrangement:
Basal
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Colour in Summer:
Green, Brown, Stems are leafless, green and round, leaves are all basal and reduced to brown sheaths
Colour in Fall:
Brown
Shapes:
Linear
Apices:
Acute
Bases:
Truncate
Margins:
Entire
Additional Info:
Reduced to brown scales at the base of the green stems
Inflorescence Type:
Flowers clustered, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
3
Corolla Shape:
Rotate/stellate
Ovary Position:
Superior
Colour (petals):
Showy, Green, Brown
Flower Scent:
None
Flower Time at Peak:
Jun
Additional Info:
Six tepals
Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Aug, Sep
Bark or Stem Colour:
Organ Modifications:
Rhizomes, Succulent stems
Propagation:
Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
(Pest resistant, Deer resistant)
Course(s):
- HORT 1155
Location(s):
- (BCE) Boulevard (Circular) Eastend
- (BCW) Boulevard (Circular) Westend : cv? (shorter than sp.)
- (CGW) Community Garden West
- (GRBE) GRass Bed East
- (NRY) NuRserY
- (PDE) PonD East
- (PDW) PonD West
- (TFL) Turf Field Lab
- (TFLE) Turf Field Lab East
- (WLG) WoodLand Garden : cv. Spiralis