Flora of North America species comparison

reduced to thick crowns.

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

1.5–14(–15) cm;

stipules (2.5–)4–11 mm, submembranous becoming scarious or papery;

leaflets 1–13(or 15), blades obovate to elliptic, oblanceolate, or orbiculate, 3–20 mm, apex acute to obtuse or retuse, surfaces villous-tomentulose.

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.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

2–5-flowered, flowers ascending;

axis 0.5–2 cm in fruit;

bracts 1.5–2.5 mm.

0.5–11 cm.

ascending, (1.5–)2.5–8 cm.

1.4–5 mm.

1.5–2 mm.

14–32 mm;

calyx cylindric or campanulate, 7–20 mm, villous, tube 5–16 mm, lobes subulate to lanceolate, 1–4 mm;

corolla pink-purple;

banner recurved through 40°;

keel 12–26 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.

ascending (humistrate), brown-stramineous, incurved, obliquely ovoid, obcompressed, (13–)18–28(–36) × 7–13(–17) mm, unilocular, fleshy becoming leathery, sparsely hirtellous to densely villous-tomentose, usually concealing surfaces.

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.

27–40(–46).

8–10.