Flora of North America species comparison

erect, glabrous.

erect, puberulent or glabrous, hairs appressed, incurved, and spreading.

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;

subsessile or petiolate, petiole to 0.5–5 mm;

blade scalelike proximally, linear-lanceolate to lanceolate-elliptic, lanceolate, or lanceolate-ovate distally, (13–)20–80 × (1.5–)8–35 mm, base acute, margins often appearing serrulate from toothlike projections associated with cilia, apex acute to acuminate, 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.

conic or cylindric-conic, (1–)1.5–4(–4.5) × 0.5–0.9 cm;

peduncle 1–3 cm;

bracts deciduous, ovate.

0.4–1.5 mm, glabrous.

0.5(–1) 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.

white, wings often with greenish veins, other sepals sometimes white, 2–4 mm;

sepals ovate or lanceolate, 1–2 mm;

wings suborbiculate to broadly elliptic or obovate, 2–3.7 × 2–3 mm, apex bluntly rounded (or rarely obtuse);

keel 2–3.5 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).

subglobose or ovoid, 2.5–4.5 × 3–4.3 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.

2–3.5 mm, sparsely pubescent;

aril 1.9–3.6 mm, lobes subequal to longer than length of seed.

= 34.