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Scientific Name: Poa annua var. reptans
Pronunciation: POE-uh AN-you-uh variety REP-tanz
Common Name: creeping bluegrass
Family Name: Poaceae
Plant Type: Poales (grass-like)
Key ID Features: Leaf vernation folded, blade light green in spring and fall, V-shaped to flat, mostly >2 mm wide, two parallel pale lines on either side of midrib, margins parallel (not tapering), short with boat-shaped tip…auricles absent…ligule 2-3 mm, whitish, slightly pointed, medium length…low, frequent flowering… rhizomes present…stolons present (perennial)… prostrate growth habit with low, frequent flowering. Field ID terms: boat tip, seed heads, brighter, apple-green, dull under, creeping.
Course(s): not used (on campus)

Form: Creeping / Mat-like
Texture: Fine
Mature Size:
Height:0.1 - 0.2m
Spread:< 0.1m
Growth Rate:Fast
Hardiness Rating: Zone 5: (-29 to -23 C)
Soil/ Growing Medium:
Landscape Uses: Golf green, Lawn - sports field
Additional Info: Google. A perennial subspecies of Poa annua.
creeping bluegrass
Leaf Morphology: Glossary
Form: Grass-like
Arrangement: Alternate
Texture/ Venation:
Leaf(let) Terms:
Shapes: Linear
Apices: Acute
Bases: Sheathing
Margins: Entire

Inflorescence Type: Panicle-like, Spikelet
Flower Morphology:Flowers perfect
Number of Petals:0
Ovary Position:Superior
Colour (petals): Green
Flower Time at Peak: Apr, May, Jun, Jul, Aug, Sep, Oct
Additional Info: Three to six florets per spikelet; spikelets arrannged in open panicle with short penduncle

Fruit Type: Grain (caryopsis)
Fruit Colour: Brown
Fruiting Time:
Additional Info: 2-3 mm long, tips pointed; lemma 2.5-3 mm long, 5-nerved, prominant keeled mid-nerve; usually hairy on keel of palea; rachilla prominant

Bark or Stem Colour:
Organ Modifications: Runners (or stolons)

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