Flora of North America species comparison

erect or ascending, 1–8 cm underground, often branched proximally, sparsely strigulose.

decumbent or ascending, hirsute or hirsutulous.

2–8 cm;

stipules connate-sheathing and papery-membranous at proximal nodes, connate to 1/2 their length or distinct at distal nodes, 1.5–4.5 mm;

leaflets 7–11, blades linear, linear-oblanceolate, or filiform to narrowly oblong, 6–22 mm, apex obtuse, surfaces strigulose abaxially, glabrous adaxially.

(2–)4–14 cm;

stipules 5–10 mm, thinly herbaceous becoming papery-membranous;

leaflets (9–)15–27, blades broadly ovate, obcordate, obovate to broadly oblanceolate, or elliptic, 4–15 mm, apex usually obtuse, rarely acute, surfaces hirsutulous.

(7–)12–40-flowered, flowers spreading;

axis 4–17 cm in fruit;

bracts 0.6–1.5 mm;

bracteoles 0.

4–9-flowered, flowers loosely ascending;

axis 1–2.5 cm in fruit;

bracts 3.5–9 mm;

bracteoles 0–2.

ascending, 3–11 cm, together with racemes usually shorter than stems.

incurved-ascending, 2–5.5 cm.

0.5–1.8 mm.

2.5–4 mm.

6–7 mm;

calyx campanulate, 2.5–3.5 mm, strigulose, tube 1.8–2.5 mm, lobes subulate or deltate, 0.6–1.5 mm;

corolla whitish, banner and keel apex lilac-tinged;

banner recurved through 45–50°;

keel 4.2–5.3 mm.

15–22 mm;

calyx usually broadly campanulate, sometimes subcylindric, 9–12 mm, hirsute, tube 5–7 mm, lobes narrowly lanceolate, 4–5 mm;

corolla white, veins and keel tip pink;

banner recurved through 45°;

keel 12.4–16.2 mm.

pendulous, stramineous, ± straight, linear-ellipsoid, obcompressed, 10–15 × 2.3–3.2 mm, papery, glabrous;

stipe (1–)1.2–2 mm.

ascending or spreading, brownish, incurved through 0.2–0.5(–1) spiral, lunately lanceoloid, strongly obcompressed, (20–)25–30 × 6–8 mm, unilocular, fleshy becoming stiffly leathery or subligneous, densely hirsutulous.

6–10.

26–30.

= 22.