Flora of North America species comparison

obscured by stipules and leaf bases.

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

erect, 1–4 cm;

stipules 1.5–3 mm, membranous becoming papery;

leaflets 9–15(or 17), blades linear to narrowly elliptic, 1–5 mm, apex obtuse to acute, surfaces strigose;

terminal leaflet often decurrent distally, not jointed to rachis.

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.

3–7-flowered, flowers spreading;

axis 0.2–1 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0.

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

axis 1.5–28 cm in fruit;

bracts 1.2–2.2 mm;

bracteoles 0–2.

erect, 0.5–3.5 cm, together with racemes subequal to or ± surpassing leaves.

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

1–2.5 mm.

1.2–3 mm.

5–6.5 mm;

calyx 2.3–3 mm, strigose, tube 1.5–2 mm, lobes subulate, 0.5–1 mm;

corolla pink-purple or white;

keel 3.7–4.4 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.

green with purple mottling, slightly curved, subglobose, 10–17 × 7–11 mm, papery-membranous, strigose.

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.

10–14.

(16–)20–26.