Flora of North America species comparison

prostrate, silvery-pilose.

erect or ascending, sparsely villosulous, often glabrous basally.

1–4 cm;

stipules 2–8 mm, hyaline, densely pilose abaxially;

leaflets usually 3, rarely 5, blades narrowly to broadly oblanceolate or obovate-cuneate, 3–13 mm, apex subacute, surfaces silvery-pilose.

(4.5–)7–17 cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, (3–)4–12 mm, submembranous; short-petiolate or subsessile;

leaflets (11–)17–29(or 31), blades broadly to narrowly lanceolate-elliptic or oblong-elliptic, or oblong-obovate, (4–)7–32 mm, apex obtuse, subacute, truncate and apiculate, or retuse, surfaces villosulous, sometimes glabrescent adaxially.

(2 or)3–5-flowered;

axis to 1 cm in fruit;

bracts 1–2.5 mm.

20–60(–65)-flowered, flowers ascending becoming loosely declined or nodding;

axis (4.5–)6–22(–25) cm in fruit;

bracts 2–3.5 mm.

0.5–2.5 cm.

erect, (4–)7–17 cm.

1–3.5 mm.

1.2–4 mm.

5–6.2(–8) mm;

calyx campanulate, 2.4–4.2 mm, densely pilose, tube 2–3 mm, lobes triangular-subulate, 1–1.2 mm;

corolla pink-purple or white, often drying yellowish;

banner recurved through 90°;

keel 4–4.5 mm, apex bluntly deltate.

15.3–18(–19) mm;

calyx cylindric or deeply campanulate, (5.5–)8.7–10.3 mm, villosulous, tube 5.9–8.4 mm, lobes subulate or triangular-subulate, 1.6–3.7 mm;

corolla pale cream, white, or whitish;

keel 13.1–14.7 mm.

ascending or recurved, ovoid-ellipsoid, slightly compressed, 3–4.5 × 2 mm, papery, densely silky-strigose or silky-pilose.

spreading or loosely pendulous, stramineous, bicarinate, obliquely elliptic, semielliptic, or rhombic-elliptic, bladdery-inflated, laterally compressed, (21–)25–45 × (6–)8–15.5 mm, thin becoming papery, translucent, lustrous, sparsely strigulose;

gynophore 3–11 mm, densely villosulous.

6–10.

11–18.

= 22.