OregonFlora species comparison

1–15, trigonous, 7–30 cm × 1.2–2.5 mm; soft (flattened in pressing).

basally swollen and corm-like, trigonous; (1)20–40(90) cm × 1–6 mm.

(2)7–22 cm × 2.2–4 mm.

(10)20–40 cm × 1–4(8) mm.

clusters head-like; dense, 7–17(35) mm wide;

rays (0)1–5, 2–32 mm; longest inflorescence bract erect or nearly so, appearing as continuation of culm; other bracts horizontal to ascending.

clusters loosely cylindric, 1–4; (6)10–28(50) × 10–40 mm;

rays (0)3–6(8), 0.5–7(25) cm;

inflorescence bracts ascending at 30–45°.

30–120, oblong-ellipsoid, compressed; (2)3–5(6) × 0.8–1.2 mm; greenish brown to purplish brown; floral scales (6)12–20(30), obovate to orbiculate, 0.6–0.8 × 0.6–0.8 mm, stramineous to deep purple with clear margins; mid-stripe greenish, stramineous, or purplish;

lateral ribs 0; medial ribs 3;

apex mucronulate.

(5)12–50, linear-lanceoloid, compressed, 5–30 × 0.6–0.9 mm;

rachilla more or less deciduous;

wings 0.4–0.5 mm wide; floral scales more or less deciduous, 3–11, appressed, oblong-obovate, 3.2–4.5(6) × 1–1.8 mm, stramineous to pale brown with green mid-stripe;

lateral ribs 3–4; medial ribs (1)3;

apex more or less acute, overlapping lower 25–50% of next scale.

anthers 0.1 mm;

styles 0.1 mm;

stigmas 0.1–0.3 mm.

anthers 0.3–0.5 mm;

styles 1–2 mm;

stigmas 3–4 mm.

obovoid-ellipsoid, 0.6–0.8 × 0.3–0.4 mm (as long as subtending scale);

base cuneate.

more or less stipitate, narrowly oblong; (1.5)1.8–2.4 × 0.5–0.6 mm.