Scientific Name:
Juncus ensifolius
Pronunciation:
JUNK-us en-see-FOH-lee-us
Common Name:
dagger-leaved rush, swordleaf rush
Family Name:
Juncaceae
Plant Type:
Herbaceous perennial, Poales (grass-like)
Key ID Features:
Rhizomes long, stems erect, 30-60cm tall; leaves on the lower half of the stem, blades strongly flattened (iris-like), 15-45cm long x 2-8mm wide, sheaths open; flowers 3-4mm long, in dark, terminal, globular, spiky, clusters.
Habit:
Upright
Form:
Vase
Texture:
Medium - fine
Mature Height:
0.4 - 0.7m
Mature Spread:
0.1 - 0.3m
Growth Rate:
Fast
Origin:
Mexico, North America
Hardiness Rating:
Zone 3: (-40 to -34 °C)
Exposure:
Full sun only if soil kept moist, Part sun/part shade
Soil/Growing Medium:
Bog
Water Use:
High
Landscape Uses:
Perennial border, Small garden/space, Wetland - bogs
Additional Info:
Leaf Morphology:
Form:
Simple, Grass-like
Arrangement:
Basal
Texture/Venation:
Parallel venation
Surfaces:
Glabrous
Colour in Summer:
Green-yellow
Shapes:
Linear
Apices:
Acute
Bases:
Sheathing
Margins:
Entire
Inflorescence Type:
Flowers clustered
Flower Morphology:
Flowers perfect
Number Of Petals:
3
Corolla Shape:
Rotate/stellate
Ovary Position:
Superior
Colour (petals):
Showy, Green, Pink, Dark-red
Flower Time at Peak:
May, Jun
Additional Info:
Six tepals
Fruit Type:
Capsule
Fruit Colour:
Brown, Black
Fruiting Time:
Jul, Aug
Additional Info:
Showy
Bark or Stem Colour:
Green
Organ Modifications:
Rhizomes
Maintenance:
Low
Pest Susceptibility:
Rust (Pest resistant, Disease resistant)
