Leaves grass-like. Blades 6-80 mm long, 2-4 mm wide (when flat), appressed to the stem or spreading, rolled in bud, linear, flat, veins parallel, midvein similar in size to other veins in the leaf (mid leaf). Blade adaxial surface scabrous. Blade abaxial surface scabrous. Reproductive morphology. Flowering stems circular or oval in cross.. Polar Grass (Arctagrostis latifolia) Polar grass grows from sea level to 5,500 feet in elevation with two subspecies growing in different parts of the world. One subspecies, A. latifolia subsp. arundinacea, grows in the low arctic areas of Alaska and northern Canada. The other larger species, subsp. latifolia, grows in the high Arctic. The grass grows from five to 60 inches in height with.
Wideleaf Polargrass, Broad-leaf Arctic-bent, Polar Grass Poaceae (Grass Family) Synonym (s): USDA Symbol: ARLA2 USDA Native Status: AK (N), CAN (N), GL (N) A stout-stemmed grass from creeping rhizomes. The purplish seedhead may have short, crowded branches or may be more long-branched and open. Plants range from 2-5 ft. in height.. SPECIES: Arctagrostis latifolia GENERAL BOTANICAL CHARACTERISTICS : Wideleaf polargrass is a perennial, native, sod-forming grass. Culms range from 1 to 4 feet (0.3-1.2 m) tall.