Flora of North America species comparison

erect, glabrous.

erect, glabrous.

alternate;

sessile or subsessile;

blade linear to subfiliform, 8–25 × 0.5–1 mm, base obtuse to cuneate, 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.

cylindric, 1.5–13 × 0.5–0.6 cm;

peduncle 0.5–1 cm;

bracts deciduous, narrowly lanceolate-ovate.

capitate, 0.4–3 × 0.5–1.8 cm;

peduncle 0.5–5 cm;

bracts deciduous, often tardily so, linear-subulate.

0.8–1 mm, glabrous.

winged, 0.4–0.8 mm, glabrous.

usually purplish pink or lavender-pink, rarely white, 1.6–2.2 mm;

sepals ovate to narrowly lanceolate-ovate, 0.6–1 mm;

wings obovate or elliptic, 1.5–2 × 0.8–1 mm, apex obtuse to bluntly rounded;

keel 1.5–2 mm, crest 2-parted, with 2–3 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.

oblong to ellipsoid, 1.4–2 × 0.7–1.1 mm, margins not winged.

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

1–1.2 mm, pubescent;

aril 0.1(–0.2) mm, lobes less than 1/8 length of seed.

1.9–2.3 mm, pubescent;

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

= 64, 68.