Flora of North America species comparison

decumbent to erect, usually pubescent, rarely glabrous, hairs spreading or incurved.

sprawling to erect, densely pubescent to glabrate, hairs spreading and short.

subsessile to petiolate, petiole to 1(–1.5) mm;

blade elliptic to linear, lanceolate, ovate, obovate, or scalelike, (3–)4–41 × (0.5–)1–12(–18) mm, base rounded to cuneate, apex obtuse to rounded, surfaces pubescent or glabrous, hairs incurved or spreading.

sessile or subsessile;

blade oblanceolate, narrowly obovate, or narrowly elliptic, 3–25 × 1–5 mm, base long-cuneate, apex rounded or acute, surfaces usually densely pubescent, rarely subglabrous, hairs spreading and short.

terminal, usually leaf-opposed, often also from near base of plant, these usually with chasmogamous flowers, occasionally bearing reduced, beakless cleistogamous or semi-cleistogamous flowers, rarely with cleistogamous or semi-cleistogamous flowers throughout, 1–12(–15) × 0.3–1.5 cm;

rachis not thorn-tipped;

peduncle 0–1 cm;

bracts usually persistent, ovate, lanceolate, or elliptic.

terminal, sometimes appearing axillary if poorly developed, sometimes aggregated into pseudopanicles or reduced and appearing fasciculate, 0.5–2.5 ×0.6–2 cm;

rachis thorn-tipped;

peduncle 0–0.2(–0.5) cm, often poorly developed;

bracts deciduous, lanceolate.

1–4.5 mm, pubescent.

1.5–4(–5.8) mm, usually shorter than flowers, pubescent, sometimes sparsely so.

usually pink to purple, rarely white, keel yellowish distally, wings pink or rose, (3.7–)4–7.4(–7.7) mm;

upper sepal persistent, other sepals deciduous, upper sepal ovate, 1.7–4.5(–5.2) mm, lower sepals lanceolate to obovate, (1.3–)1.6–3.5(–3.8) mm, pubescent or glabrous;

wings obovate to oblong-obovate, 3–6.4(–7.2) × (1.2–)1.4–3.2 mm, glabrous or pubescent;

keel (2.7–)3.1–6.2 mm, sac glabrous or with scattered hairs, beak linear (or bluntly rounded), (0–)0.5–2 × (0–)0.2–0.6 mm, glabrous or pubescent.

cream to yellowish green, wings cream to greenish, upper petals often purple-tipped, distal keel often dark yellow to green, (3–)3.5–5(–5.3) mm;

sepals deciduous, ovate to elliptic, 1.6–3.5 mm, spreading-pubescent, margins usually ciliate;

wings obovate, 3–5 × 2–3 mm, glabrous or sparsely pubescent;

keel 2.7–3.8 mm, sac glabrous, beak absent or obscure and bluntly rounded, to 0.7 × 0.5 mm, glabrous;

stamens rarely 9.

ellipsoid, oblong, slightly ovoid, or obovoid, 3.3–6(–6.8) × 2–4 mm, base rounded to subtruncate, often oblique, margins with narrow wing or not winged, usually pubescent, rarely subglabrous.

ellipsoid or slightly obovoid, (3–)4–6 × 2.5–4 mm, base rounded or, sometimes, cuneate, margins with very narrow and even wing, glabrous.

2.8–4.3 mm, pubescent;

aril 0.7–2.5 mm, lobes to 3/4 length of seed.

3.2–4.2 mm, pubescent;

aril 1–1.7 mm, lobes to 1/3 length of seed.

= 18.