Flora of North America species comparison

decumbent and incurved-ascending or erect, sparsely to densely strigulose or glabrate.

erect to ascending, strigulose.

1.5–9.5 cm;

stipules connate-sheathing and papery-scarious at proximal nodes, connate or distinct and submembranous at distal nodes, 1–4 mm, not blackened when dry;

leaflets 11–19, blades elliptic to oblong, lanceolate, or broadly oval, 3–17(–19) mm, apex acute to obtuse and apiculate, surfaces strigose abaxially, strigose or glabrous adaxially.

4–15(–18) cm;

stipules 2–4(–6) mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflets 11–19(or 21), blades linear-oblong, narrowly oblong-oblanceolate, or obovate, 2–13 mm, apex obtuse, subtruncate, or shallowly retuse, surfaces strigose, sometimes glabrous adaxially.

(1–)3–13-flowered, flowers ascending to spreading;

axis (1–)2–8 cm in fruit;

bracts 0.7–1.7 mm;

bracteoles 0.

(5–)8–15-flowered, flowers ascending;

axis (3–)5–18(–20) cm in fruit;

bracts 1.5–2.3 mm;

bracteoles 0.

decumbent or humistrate (in fruit), 3–10(–14) cm.

erect, 6–21(–24) cm.

1.5–4(–4.5) mm.

1–2.8 mm, little or no clavate thickening in fruit.

8–10.5 mm;

calyx (3.4–)4.5–6.7 mm, strigose, tube (2.6–)3–4.3 mm, lobes subulate, (0.8–)1.2–2.9 mm;

corolla pink-purple, or whitish and purple-tipped;

banner recurved through 50°;

keel 6.7–8.8 mm.

10.5–13.8 mm;

calyx campanulate, 4.8–6.3 mm, strigulose-pilosulous, tube 3.1–4.2 mm, lobes subulate, 1.2–2.1 mm;

corolla ochroleucous, keel tip tinged lilac;

banner recurved through 40°;

keel 8.5–9.6 mm.

pendulous, brown, straight or nearly so, ellipsoid or oblong-ellipsoid, laterally flattened, (7–)9–15 × 3–4.2 mm, thinly papery, strigose;

stipe 1–1.5(–2) mm.

erect, pale green or purplish becoming stramineous, straight, linear-oblong, 3-sided compressed, lateral face flat, dorsal face narrower and grooved, 15–30 × 2.7–4 mm, ± bilocular, thin becoming papery, glabrous;

septum 1–2 mm wide;

stipe 3.5–7 mm.

2–6.

16–18.