Flora of North America species comparison

erect, glabrous.

erect, glabrous.

alternate;

sessile or subsessile;

blade spatulate proximally to linear or narrowly elliptic distally, (5–)10–20(–40) × (0.5–)1–3(–5) mm, base acute or obtuse, apex acute to acuminate, surfaces glabrous.

with persistent basal rosette, clustered and irregular, crowded; alternate;

sessile or subsessile with narrowed petiolelike region to 5(–10) mm (usually obscured by tightly clustered leaves);

blade oblanceolate to linear-oblanceolate, 10–42 × 2–14 mm, succulent, base cuneate, apex usually rounded to obtuse, rarely acute, sometimes apiculate, surfaces glabrous.

capitate to densely cylindric, (0.5–)1–2(–4) × 0.5–1.4 cm;

peduncle 0.3–2.5(–3) cm;

bracts subpersistent to tardily deciduous, subulate.

capitate, 0.4–3 × 0.5–1.8 cm;

peduncle 0.5–5 cm;

bracts deciduous, often tardily so, linear-subulate.

0.4–1.5 mm, glabrous.

winged, 0.4–0.8 mm, glabrous.

usually pink, purple, or reddish purple, rarely white, sometimes greenish tinged, sepals sometimes pink or white, 4–6 mm;

sepals oval, elliptic-ovate, or lanceolate, 1–3 mm;

wings ovate to broadly elliptic, (2.6–)4.5–6.3 × (1–)2.5–3.5 mm, apex obtuse to broadly rounded, sometimes minutely apiculate, rarely acute;

keel 2.5–3 mm, crest 2-parted, with 2–4 lobes on each side.

green or greenish yellow, 4.5–6(–8) mm;

sepals decurrent on pedicel, narrowly ovate to lanceolate, (2–)3–5 mm, sometimes ciliolate;

wings usually lanceolate, sometimes oblong-lanceolate, 4–6(–8) × 1–2 mm, apex long-acuminate, sometimes slightly involute, tip 0.5–0.9 mm;

keel (3.5–)4(–5.5) mm, crest 2-parted, with 3 2-fid or entire lobes on each side;

stamens 6–8.

usually with flattened, sterile base, cuneate-subglobose, 2.5–3 × 2–2.5 mm, margins not winged (sometimes with raised rim).

broadly ellipsoid to subglobose, 1.6–2 × 1.2–1.6 mm, margins not winged.

1.3–1.7 mm, pubescent;

aril 1–1.3 mm, lobes usually (1/2–)2/3 to ± length of seed, rarely minute.

1.9–2.3 mm, pubescent;

aril 0.9–1.6 mm, lobes 1/2 to ± equal length of seed.

= 64, 68.