Poa bulbosa

Common Name: 
bulbous bluegrass
Scientific Name: 
Poa bulbosa L.
Family Name: 
Poaceae (Graminae) - Grass Family
Identification Notes
Life Cycle
introduced perennial, reproducing by tillers and seedhead bulbils
Culms
upright, clump-forming, usually dense, stem base forming a bulb
Culms of Bulbous Bluegrass
Culms of Bulbous Bluegrass
Culms of Bulbous Bluegrass
Leaves
blades smooth, flat or curled up slightly, boat-shaped tip, margins rough; folded in bud; auricles absent; ligule membranous, pointed/triangular, relatively large; sheaths partially open above, closed near base
Leaves of Bulbous Bluegrass
Leaves of Bulbous Bluegrass
Seedheads
panicle, open, terminal, oblong to oval, moderately dense, florets become vegetative bulbils, bulbils have dark purple bases, weight of bulbils often cause seedhead to droop
Seedheads of Bulbous Bluegrass
Seedheads of Bulbous Bluegrass
Seedheads of Bulbous Bluegrass