Flora of North America species comparison

ascending or decumbent, sparsely villosulous.

2.5–8 cm;

stipules distinct, 2–4 mm, herbaceous;

leaflets 13–21, blades narrowly oblanceolate to oblong-oblanceolate, 4–13(–18) mm, thin, apex often retuse, sometimes obtuse, surfaces sparsely villosulous abaxially, sparsely villosulous or glabrescent adaxially.

1–6 cm;

stipules 3–7 mm;

leaflets 3–11, blades obovate to oblanceolate or orbiculate, 1.5–8 mm, apex round to obtuse or acute, surfaces strigose.

(1 or)2–7-flowered, flowers ascending becoming declined;

axis 0.5–3.5 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0–2.

2–10-flowered;

axis to 1 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0.

incurved-ascending, 2–4.5 cm.

ascending, 0.4–3 cm.

1–2.5 mm.

ascending, 1–2 mm.

5.2–6 mm;

calyx campanulate or obconic-campanulate, 3.4–4.2 mm, villosulous, tube 1.7–2 mm, lobes narrowly lanceolate-subulate, 1.4–2.5 mm;

corolla pale lilac, or whitish and tips lilac;

banner recurved through 90°;

keel 3.6–4.3 mm, apex round or narrowly triangular and beaklike.

10–15.5(–17.5) mm;

calyx cylindric, 5.5–8.9 mm, strigose, tube 4.1–6.8 mm, lobes subulate, 1.4–1.7 mm;

corolla usually white or ochroleucous, sometimes fading yellowish, suffused with purple, sometimes purple, keel tip maculate;

banner recurved through 40°;

keel (9–)10–12.5 mm.

spreading or declined, greenish, sometimes purplish, becoming stramineous, straight or slightly incurved, obliquely ovoid or ovoid-ellipsoid, bladdery-inflated, somewhat obcompressed, 10–22 × 5–14 mm, thin becoming papery-membranous, sparsely strigose-villosulous, hairs spreading, incumbent or curly.

ascending, green, straight or slightly incurved, obliquely ovoid or lanceoloid-ovoid, somewhat dorsiventrally compressed, (8–)11–19 × 3–8 mm, unilocular, distinctly beaked, thinly fleshy becoming papery, sometimes incipiently alveolate-spongy, walls much less than 1 mm thick, strigose.

18–22.

18–33.