Flora of North America species comparison

decumbent to erect, (1.2–)2–9.5 dm.

decumbent to erect, usually much branched, 1.5–7 dm.

3.5–23 cm;

stipules 10–17 mm;

leaflets 9–19, blades lanceolate to ovate, elliptic, or oblong, 5–40 × 3–16 mm, veins conspicuous, surfaces usually pubescent, rarely glabrous adaxially.

3–12(–14) cm;

stipules pale brown, sometimes streaked, 2–10 mm;

leaflets 5–15, blades usually oblong to elliptic, lanceolate-oblong, or ovate, rarely linear, 7–40 × 2–19 mm, veins obscure, surfaces strigose abaxially, strigose or glabrous adaxially.

10–50-flowered, axis 4–25 cm in fruit;

bracts 1–4 mm.

5–45-flowered, axis 5–28.5 cm in fruit;

bracts 2–4 mm.

(3–)6–15 cm.

2.8–15 cm.

1–3.5 mm.

0.8–4.5 mm.

usually declined at anthesis;

calyx 3.5–11 mm;

tube 3–9 mm, puberulent;

lobes subulate to triangular, 0.5–2 mm, equal or nearly so;

corolla usually lavender-pink or lilac- to pink-purple, rarely white, 16–25 mm;

wing auricles connate, linear, nearly equal or equal to claw.

ascending at anthesis;

calyx 4.5–8 mm;

tube 2–3.5 mm, strigose;

lobes subulate, 2–6 mm, subequal to markedly unequal;

corolla usually red-purple, pink, magenta, or purple, rarely white, 10–22(–26) mm;

wing auricles distinct, blunt, shorter than claw.

segments (1 or)2–5, 7–14.5(–18) × 5.6–10.2(–11) mm, margins conspicuously winged, prominently reticulate, pubescent or glabrous.

segments 2–8, 4.5–9 × 4–6.2 mm, margins prickly or not, not winged to moderately winged, prominently reticulate, usually crisp-puberulent to minutely strigose, rarely glabrous.