Flora of North America species comparison

reduced to thick crowns.

erect or decumbent to ascending, ± strongly flexuose aboveground, (0–)2–6 cm underground, 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.

30–100 cm;

stipules (1–)2–5 mm, membranous at proximal nodes, herbaceous at distal nodes;

leaflets (5–)9–15, blades elliptic-oblong, oblanceolate, or linear, 3–25 mm, apex usually obtuse or retuse, rarely subacute, surfaces strigulose.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

(5–)8–20(–26)-flowered, flowers ascending becoming declined;

axis (1.5–)3–12(–17) cm in fruit, elongating;

bracts 2–3.5(–5) mm;

bracteoles 0–2.

0.5–11 cm.

erect or divaricate, 3–9(–12) cm.

1.4–5 mm.

1–2.3 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.

(12–)13.5–18 mm;

calyx pallid or purplish, cylindric or deeply campanulate, (5.8–)7.5–9 mm, strigulose, tube (4.6–)5.8–7.5 mm, lobes subulate or triangular-subulate, 1.2–1.8 mm;

corolla usually pink-purple and wing tips white, rarely white throughout;

keel 10.6–13.3 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.

promptly deciduous, deflexed, red- or brownish-mottled becoming stramineous or brownish, usually ± sigmoid-arcuate, rarely straight, lanceoloid-ellipsoid or oblong-ellipsoid, obcompressed, 20–55 × (5–)6–10 mm, fleshy becoming stiffly leathery, strigulose.

27–40(–46).

32–42.