Flora of North America species comparison

reduced to thick crowns.

forming rounded, birds-nestlike clumps, ascending to erect, many-branched, 3–14+ cm underground, strigose.

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.

1.5–7 cm;

stipules sometimes connate-sheathing at proximal nodes, mostly distinct, 1–6 mm, papery-membranous at proximal nodes, herbaceous at distal nodes;

leaflets 5–11(or 13), blades linear or oblong, 2–20(–25) mm, apex obtuse to emarginate or acute, surfaces pubescent or adaxially glabrous;

terminal leaflet of distal leaves decurrent and not jointed to rachis.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

(3–)8–33-flowered, flowers ascending to declined;

axis 1.5–28 cm in fruit;

bracts 1.2–2.2 mm;

bracteoles 0–2.

0.5–11 cm.

erect or incurved-ascending, 4–16(–28) 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.

(9–)10–15 mm;

calyx campanulate, (3.5–)3.8–7 mm, black-strigose, tube (3–)3.3–5.5 mm, lobes subulate, (0.5–)1–2.2 mm;

corolla pink-purple;

banner recurved through 30–45°;

keel (7.5–)8.4–10.3 mm, apex obtuse to subacute, not beaklike.

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.

pendulous, green or purple-tinged becoming brownish stramineous, straight or gently decurved, narrowly oblong, dorsiventrally compressed, 20–32 × 3.5–4.5 mm, thinly fleshy becoming stiffly papery, strigose;

stipe (2.5–)3.5–6 mm.

27–40(–46).

(16–)20–26.