Flora of North America species comparison

reduced to thick crowns.

several, decumbent or sprawling to erect, (1–)2–6(–8) 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.

4–16 cm;

stipules strongly decurrent, 3–11 mm, papery at proximal nodes, subherbaceous at distal nodes;

leaflets (5–)11–23, blades ovate to oblong, obovate, or oblanceolate, 6–24 mm, apex obtuse to retuse, surfaces strigose to sparsely so abaxially, strigose or glabrous adaxially.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

10–30-flowered, flowers ascending to declined;

axis 3–14 cm in fruit;

bracts 2–6 mm;

bracteoles 0–2.

0.5–11 cm.

incurved-ascending, subhorizontal in fruit, 2.5–13(–24) cm.

1.4–5 mm.

1–3.5 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.

(11–)13–17 mm;

calyx short-cylindric, 5.2–7.8 mm, black-pilosulous, tube 4.5–6.5 mm, lobes subulate, 1.2–2.5 mm;

corolla purplish to pink-purple, wing tips pale to white;

keel 10.5–10.8 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.

firmly attached to receptacle, falling while still attached to pedicel, ascending to descending (sometimes humistrate), green and red-tinged becoming brownish, incurved 0.5 spiral, narrowly oblong, subterete, laterally compressed when pressed, sides convex, elliptic in cross section, dorsal suture forming a prominent ridge, 15–32 × 4–7(–8) mm, bilocular, thick becoming leathery, strigose to strigulose;

stipe 0.5–2 mm.

27–40(–46).

24–36.