OregonFlora species comparison

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

roundly trigonous; (10)20–30(45) cm × 0.4–1.2 mm.

(2)7–22 cm × 2.2–4 mm.

8–12(16) cm × 1–2(4) 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 head-like, hemispheric, 7–12(15) mm wide;

rays 1–3(5), 0.5–2 cm long; longest inflorescence bracts erect to ascending.

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.

(15)25–50(75); ovoid, compressed, 4–7 × 2–3 mm; floral scales 8–20(35); ovate-lanceolate, 1–2 × 1–1.4 mm; yellowish; yellowish green, or light reddish brown, with light brown or greenish brown mid-stripe, 2-keeled, subtly 1-ribbed;

apex acute, mucronate; straight to curved outward, glabrous or sparsely scabridulous.

anthers 0.1 mm;

styles 0.1 mm;

stigmas 0.1–0.3 mm.

anthers 0.5 mm;

styles 0.8–1.1 mm;

stigmas 0.5 mm.

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

base cuneate.

broadly ellipsoid, abruptly contracted to base, 0.8–1.1 × 0.3–0.4 mm long;

stipe 0.1 mm long.