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Perennial tufted herb from a fibrous root; stems several, simple or rarely branched, flat, 2-winged, 10-50 cm tall.
Mostly basal, the blades several, linear, 10-30 cm long, 1-3.7 mm wide, sheathing, the margins entire to finely toothed, the tips long-pointed; stem leaves 1 or few at the nodes, similar to basal.
Inflorescence of (1) 2 to 5 (6) showy, erect to nodding flowers on slender, smooth, 2- to 2.5-cm long stalks; flowers blue to more often blue-purple, of 6 distinct, broadly elliptic to oblanceolate segments, these similar, 1-1.2 cm long, rounded to somewhat blunt, notched, abruptly bristle-tipped, the tubes slightly inflated below, 1-2 mm long; bracts 2, unequal, the outer one exceeding the flowers; filaments fused about 1/3 their length; anthers (1) 1.5-1.7 mm long, yellow.
Capsules, egg-shaped to globe-shaped, (3) 4.5-6 (7) mm long; seeds numerous, globe-shaped to angled, black, 1-1.5 mm wide.
Source: The Illustrated Flora of British Columbia