Flora of North America species comparison

erect or ascending, strigulose to pilose, cinereous or canescent.

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

3–10(–14) cm;

stipules 2.5–10 mm, scarious;

leaflet blades linear, linear-oblanceolate, or narrowly elliptic, (2–)4–27(–45) mm, apex acute to subobtuse, surfaces strigose abaxially, glabrous adaxially.

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.

9–47-flowered;

axis (2–)3–15(–20) cm in fruit;

bracts (2–)3–7 mm;

bracteoles 0–2.

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

axis 4–17 cm in fruit;

bracts 0.6–1.5 mm;

bracteoles 0.

erect, 1–4(–5.5) cm, much shorter than subtending leaves.

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

0.3–1.2 mm.

0.5–1.8 mm.

13–17.2 mm;

calyx (7.2–)7.5–11 mm, strigulose to pilose, tube (5.4–)5.7–7.4 mm, lobes lanceolate-subulate, (1.5–)1.8–3.6 mm;

corolla banner recurved through 45°;

keel 10.4–12.8 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.

brown-stramineous, gently incurved, dorsiventrally compressed or 3-sided at dehiscence, carinate by ventral suture, beak laterally compressed, 9–12 × 3.3–5 mm, papery, strigose or glabrous;

stipe 0.7–2.5 mm.

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

stipe (1–)1.2–2 mm.

6–10.

= 22.

= 22.