Flora of North America species comparison

erect, sometimes slightly glaucous, glabrous.

erect, glaucous, glabrous.

usually whorled proximally, sometimes whorled to inflorescence, opposite to alternate distally, rarely alternate throughout;

sessile or subsessile, petiole rarely to 1 mm;

blade sometimes linear-spatulate proximally, usually linear, linear-oblong, -elliptic, or -lanceolate distally, (5–)10–20(–30) × 0.5–5.5 mm, base cuneate to acute, apex acute to acuminate, surfaces glabrous.

mostly alternate, sometimes whorled or opposite at lowest 1–2 nodes proximally;

sessile or subsessile;

blade linear, (3–)4–12(–17) × 0.3–1 mm, base obtuse to acute or slightly cuneate, apex acuminate, surfaces glabrous.

nearly spikelike, conic to cylindric-conic, 0.5–5 × 0.2–0.6 cm, sometimes interrupted proximally, with some proximal fruits persistent below gap;

peduncle to 9 cm (usually elongate);

bracts deciduous, subulate to lanceolate.

(rarely spikelike), densely cylindric, (0.6–)1–3.5(–4) × 1–1.3 cm;

peduncle 2–4 cm;

bracts deciduous, ovate to lanceolate-ovate.

0.2–1(–2) mm, glabrous.

(0–)0.5–1 mm, glabrous.

white or with greenish or pinkish tinge, sepals sometimes purplish or whitish, 1–2.2(–2.6) mm;

sepals ovate or elliptic to lanceolate, 0.5–1.6 mm, ciliate;

wings suborbiculate, ovate, elliptic, or obovate, 1–2.6 × 0.8–2.5 mm, apex obtuse to bluntly rounded;

keel 1.2–1.8 mm, crest 2-parted, with 1 or 2 lobes on each side.

usually pink to purple, rarely white, sepals pink, 5–8(–10) mm;

sepals narrowly ovate to linear-oblong or lanceolate, 0.9–1.5(–2.5) mm;

wings narrowly ovate to linear-oblong or narrowly oblanceolate, 1.5–3(–4) × 0.6–1 mm, apex acute to obtuse;

keel 5–8 mm, crest 2-parted, with 3 lobes on each side, each 2–4-lobed.

subglobose or broadly ellipsoid to ovoid, 1.3–2.4 × 0.7–2.2 mm, margins not winged.

ellipsoid or subglobose-ovoid, 2.4–3.5 × 1.5–3 mm, margins not winged.

1.2–2.2 mm, pubescent;

aril 0.5–1 mm, lobes 1/3–1/2 length of seed.

1–2.2 mm, pubescent;

aril to 1.1 mm, not obviously lobed, to 1/4 length of seed.

= 34.