General:
Perennial, strongly tufted grass from fibrous roots; stems nearly circular in cross-section, tapered, hollow or sometimes pith-filled, smooth, up to 100 cm tall.

Leaves:
Sheaths open; blades strongly in-rolled, 2-4 mm wide, smooth beneath, very finely minutely rough above, sparsely and copiously stiff-hairy just above the ligules and along the throats, the longer hairs about 3 mm long, the collars smooth; ligules scarcely 0.5 mm long.

Flowers:
Inflorescence an open panicle, (10) 15-40 cm long, projecting beyond sheaths, the branches slender, spreading, bearing spikelets mainly near the tips; spikelets 1-flowered; glumes sharp-pointed, unequal, the lower ones about 1 mm long, the upper ones nearly twice as long, either or both often deciduous before the florets; lemmas 2-2.5 mm long, paleas nearly equal to the lemmas, tending to split to the base with maturity; lodicules fan-shaped, about 0.25 mm long; anthers 1-1.3 mm long.

Source:  The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source:  The Illustrated Flora of British Columbia

Flower Colour:
Yellow

Blooming Period:
Mid Summer

Fruit/Seed characteristics:
Colour: Brown
Present from Summer to Fall

Source:  The USDA

Synonyms and Alternate Names:
Agrostis airoides Torr.