Scientific Name:
Poa supina
Pronunciation:
POE-uh soo-PYE-nuh
Common Name:
supina bluegrass
Family Name:
Poaceae
Plant Type:
Herbaceous perennial, Poales (grass-like)
Key ID Features:
Thatchy habit with tufted or isolated culms 0.5-0.7mm wide; rhizomes present; +/- stolons; leaf vernation folded, blades 1-7cm long x 2-3mm wide, tip boat-shaped, tip rounded, margin mostly entire to slightly rough, may be ciliate towards the apex; auricles absent; ligule 0.6-1.5mm; sheath thin, smooth, 1.5 to 5 x longer than blade; spikeles in loose pyramidal panicles 2-3cm long.
Habit:
Arching
Form:
Creeping / Mat-like
Texture:
Fine
Mature Height:
< 0.1m
Mature Spread:
0.1 - 0.3m
Growth Rate:
Slow
Origin:
Europe (Naturalized In BC)
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Part sun/part shade, Filtered shade
Soil/Growing Medium:
Well-drained
Landscape Uses:
Golf green, Lawn - sports field
Additional Info:
Leaf Morphology:
Form:
Grass-like
Arrangement:
Alternate, Basal
Texture/Venation:
Soft flexible, Parallel venation
Surfaces:
Shapes:
Linear
Apices:
Acute
Bases:
Sheathing
Margins:
Ciliate, Entire
Additional Info:
Note: ciliate margin in not a typical feature
Inflorescence Type:
Spikelet
Flower Morphology:
Flowers perfect
Number Of Petals:
0
Ovary Position:
Superior
Colour (petals):
Dark-red
Flower Time at Peak:
Jun, Jul
Fruit Type:
Grain (caryopsis)
Fruit Colour:
Brown
Fruiting Time:
Jul, Aug
Bark or Stem Colour:
Green
Organ Modifications:
Rhizomes, Runners (or stolons)
Maintenance:
High
Pest Susceptibility:
Beetles or weevils, Blight or needle cast, Fungal leaf spot, Root rot, Rust
