Flora of North America species comparison

decumbent to erect, (1.2–)2–9.5 dm.

ascending to erect, 1–6(–9) 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–)7–12 cm;

stipules 8–15 mm;

leaflets (5–)9–17, blades elliptic or lanceolate-oblong, 9–40 × 4.5–15(–21) mm, veins conspicuous, surfaces strigose abaxially, glabrous adaxially.

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

bracts 1–4 mm.

(6–)10–60-flowered, axis 2.5–22 cm in fruit;

bracts 2–6 mm.

(3–)6–15 cm.

4.5–16 cm.

1–3.5 mm.

1–3.5(–4) 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.

usually declined at anthesis;

calyx 3–6 mm;

tube 1.5–4 mm, puberulent;

lobes triangular to subulate, 1–2.5(–3) mm, equal or nearly so;

corolla yellow to pale yellow, 14–20 mm;

wing auricles connate, linear, nearly equal or equal to 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 1–4, 7–13 × 5.5–9 mm, margins conspicuously winged, prominently reticulate, glabrous.