OregonFlora species comparison

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

trigonous; (10)20–50 cm × (0.6)1–2 mm.

(2)7–22 cm × 2.2–4 mm.

(2)20–35 cm × 2–6 mm;

proximal leaves bladeless.

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 head-like to cylindric, 10–25 × 7–16 mm;

rays 3–5, 1.5–8(15) cm;

inflorescence bracts erect (or declined at most 25–30° from vertical).

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.

(1)5–10(20), oblong to linear-oblong, quadrangular in cross section, 7–10(18) × (2.8)3.2–4(4.5) mm;

rachilla more or less deciduous; wingless; floral scales deciduous; (1)5–10(14), spreading, broadly ovate to oblong-ovate; (2.3)2.8–3.2 × (2)2.4–3.2 mm, stramineous or dull whitish, sometimes also red-spotted, with green mid-stripe;

lateral ribs 2–3; medial ribs 3;

apex broadly rounded, often clear-erose; cusp 0.1–0.4 mm in proximal scales, 0.3–1 mm in distal scales.

anthers 0.1 mm;

styles 0.1 mm;

stigmas 0.1–0.3 mm.

anthers 0.8–1.4 mm;

styles 0.1–0.3 mm;

stigmas 1.5–3 mm.

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

base cuneate.

broadly ellipsoid, infrequently obovoid, 2–2.4 × 0.9–1.4 mm;

base cuneate to more or less stipe-like.

=166.