Flora of North America species comparison

incurved-ascending, decumbent, or prostrate, usually sparsely to densely strigulose or strigose-pilosulous, rarely silky-villosulous.

erect to sprawling, to 7 cm, internodes often shorter than stipules, villous-villosulous.

1–5.5 cm;

stipules connate-sheathing and papery at proximal nodes, mostly connate and herbaceous at distal nodes, turning black in drying, 2–5 mm;

leaflets (5 or)7–13, blades elliptic, linear-elliptic, lanceolate, oblanceolate, or narrowly obovate, 2–12 mm, apex usually acute, sometimes obtuse or retuse and apiculate, surfaces strigose abaxially, silky-strigulose, villosulous, glabrescent, or glabrous adaxially.

(1.5–)2.5–9 cm;

stipules 2–10 mm, submembranous;

leaflets (7–)11–19, often crowded, blades elliptic to broadly obovate, 3–13 mm, apex obtuse, acute, or shortly acuminate, surfaces villous.

3–7(–11)-flowered, flowers spreading;

axis 0.5–3 cm in fruit;

bracts 0.5–2.7 mm;

bracteoles 0–1.

5–13-flowered, flowers ascending;

axis (0.5–)2–8 cm in fruit;

bracts 2.5–8 mm;

bracteoles 2.

0.2–4 cm.

incurved-ascending, decumbent in fruit, (3–)5–13 cm.

1.5–3.5(–4.2) mm.

0.8–2.2 mm.

(4.3–)5.2–9.3 mm;

calyx turbinate-campanulate to campanulate, 2.4–4.5 mm, strigose, tube 1.4–2.2 mm, lobes setaceous, (0.8–)1.3–2.5 mm;

corolla pink-purple, lilac, or whitish, sometimes lilac-tipped or -tinged, banner sometimes purple-veined, keel maculate;

banner abruptly recurved through 90°;

keel (2.9–)3.4–5.6 mm.

16–18.5 mm;

calyx purplish, usually cylindric, sometimes cylindro-campanulate, 8.2–10.7 mm, villosulous, tube 6.6–8.9 mm, lobes subulate or subulate-triangular, 1.5–3.5 mm;

corolla pink-purple or pallid;

banner recurved through 40°;

keel 14.3–16.8 mm.

deflexed or declined, stramineous, straight, ellipsoid, obovoid-ellipsoid, oblong-ellipsoid, or linear, laterally flattened, 3.5–12 × 1.8–3.5 mm, bicarinate, papery, strigose;

stipe 0–0.3 mm.

ascending (humistrate), gently incurved, obliquely lanceoloid-oblong, obcompressed to 3-sided compressed, (13–)15–25 × 4.5–9 mm, bilocular, fleshy becoming stiffly leathery, densely villous-tomentulose, hairs to 1 mm; inflexed, especially proximal 1/2, as a narrow, complete septum.

(4 or)5–8(–11).

18–24.