Flora of North America species comparison

single or few, decumbent-ascending, glabrous or sparsely strigose.

prostrate, 0.5–3(–7) cm, internodes short, length slightly 2 times stipules, strigulose.

4.5–11 cm;

stipules 5–10 mm, papery at proximal nodes;

leaflets 11–21(or 23), blades obovate-cuneate, ovate, broadly oblong-elliptic, or suborbiculate, 5–20 mm, apex obtuse or emarginate, surfaces glabrous or glabrate and glaucescent.

2–10 cm;

stipules distinct throughout, 1–4 mm, papery-scarious;

leaflets 11–15(or 17) blades linear-elliptic or oblanceolate, 3–10 mm, apex acute or obtuse, surfaces usually strigulose, sometimes glabrescent adaxially.

10–25-flowered, flowers declined;

axis 3–12 cm in fruit;

bracts 3–6 mm;

bracteoles 2.

2–5-flowered, flowers ascending;

axis 0.5–2 cm in fruit;

bracts 1.5–2.5 mm.

incurved-ascending, 3–8.5 cm.

ascending, (1.5–)2.5–8 cm.

0.6–2 mm.

1.5–2 mm.

12–15 mm;

calyx short-cylindric, 5.9–7.6 mm, strigulose, tube 4.5–5.6 mm, lobes subulate, 1.3–2.5 mm;

corolla reddish purple with white or lilac wing tips;

keel 9.5–10.6 mm.

9.5–11 mm;

calyx purplish, cylindric or campanulate, 5–5.5 mm, strigulose, tube 3–3.5 mm, lobes subulate, 1.5–2 mm;

corolla ochroleucous, banner and keel with purple tips or veins;

keel 7–7.5 mm.

spreading-ascending (humistrate), green suffused or dotted red becoming stramineous, straight to incurved, oblong or broadly oblong-ovoid, obcompressed, 15–37 × 8–21 mm, ± bilocular, fleshy becoming papery, stiffly leathery, or subligneous, glabrous;

septum to 3.5 mm wide;

stipe 5–8 mm.

separating from receptacle at maturity, ascending (humistrate), red-mottled, gently incurved, narrowly oblong, slightly 3-sided compressed, 12–20 × 3.5–5 mm, sub-bilocular, thin becoming papery, sparsely strigulose;

septum partial, 0.2–0.6 mm wide;

sessile, gynophore to 1 mm.

(27–)30–36.

8–10.