Flora of North America species comparison

erect, glabrous.

erect to decumbent, pubescent or subglabrous, hairs incurved.

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.

alternate;

sessile or subsessile;

blade narrowly oblanceolate-spatulate to elliptic or lanceolate, 5–35 × 1–5 mm, base cuneate, apex rounded or acute, 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.

broadly cylindric, usually elongate, 0.5–2.5(–9) × 0.5–2 cm;

peduncle usually poorly developed, 0.2–1.5(–2.5) cm;

peduncle and central axis pubescent;

bracts deciduous, lanceolate.

0.4–1.5 mm, glabrous.

1.5–4(–5.8) 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.

blue, pink, or white, 5–8 mm;

sepals ovate to elliptic, 1.6–3.5 mm, pubescent;

wings obovate, 3–5 × 2–3 mm, apex obtuse to bluntly rounded;

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

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

broadly ellipsoid, ovoid, or slightly obovoid, (3–)4–6 × 2.5–4 mm, margins narrowly winged, rim 0.2–0.4 mm wide.

1.3–1.7 mm, pubescent;

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

3.2–4.2 mm, pubescent;

aril 1–1.7 mm, lobes 1/2 length of seed.

= 24–32, 34, 38, ca. 56, 68, ca. 70.