Flora of North America species comparison

compressed-filiform, without spots, to 50 cm;

glands white, 0.3–0.5 mm diam.

conspicuously flattened ("wing-flattened"), without spots, 60–120 cm;

glands absent or rarely present, when present, gold, 0.3 mm diam.

lateral, common, 3.5–9.5 cm × 2–5 mm, soft;

leaves ± 2-ranked;

outer leaves 3–4 per side, base not corrugate;

inner leaves undifferentiated.

common, terminal or lateral, 4–7.5 × 2–4.5 cm, firm;

leaves ± 2-ranked;

outer leaves 3–4 per side, base not corrugate, apex acute;

inner leaves undifferentiated.

submersed, ± spirally arranged, sessile, flaccid;

stipules deliquescent, inconspicuous, convolute, free from blade, pale brown, not ligulate, 1–2 cm, not fibrous, not shredding, apex obtuse;

blade dark green, linear, not arcuate, 3.5–9.5 cm × 1.5–2 mm, base slightly tapering, without basal lobes, not clasping, margins entire, not crispate, apex not hoodlike, rounded or nearly acute to mucronate, lacunae in 1–2 rows each side of midvein;

veins 9–17.

submersed, ± spirally arranged, sessile, rigid;

stipules persistent, conspicuous, convolute, free from blade, white, not ligulate, 1.5–3.5 cm, fibrous, shredding at tip, apex obtuse to acuminate;

blade light green, linear, not arcuate, 10–20 cm × 2–5 mm, base rounded, without basal lobes, not clasping, margins entire, not crispate, apex not hoodlike, blunt, acuminate, or bristle-tipped, lacunae absent;

veins 15–35.

unbranched, emersed;

peduncles not dimorphic, axillary, erect, cylindric, 1.7–3.5 cm;

spikes not dimorphic, cylindric, 10–30 mm.

unbranched, emersed;

peduncles not dimorphic, terminal, erect to ascending, occasionally recurved, cylindric, 2–5 cm;

spikes not dimorphic, cylindric, 15–30 mm.

sessile, reddish brown, oblong-obovoid, compressed, abaxially ridged, not laterally keeled, 3–4 × 1.5–2 mm;

beak nearly erect, 0.3–0.5 mm;

sides without basal tubercles;

embryo with 1 full coil.

light green to olive-green, quadrate-oblong or nearly orbicular, turgid, sessile, with abaxially keeled, not laterally keeled, 4–5 × 3–3.5 mm, keel winglike;

beak erect, 0.6–1 mm;

sides without basal tubercles;

embryo with 1 full spiral.

absent.

absent.

= 52.