Flora of North America species comparison

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

erect or ascending, internodes elongate or not, usually white-strigulose.

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–)2–12 cm;

stipules 1–3(–4) mm, herbaceous becoming papery;

leaflet blades linear-elliptic or subulate, 2–12(–14) mm, apex acute and apiculate, surfaces silvery-canescent.

3–7(–11)-flowered, flowers spreading;

axis 0.5–3 cm in fruit;

bracts 0.5–2.7 mm;

bracteoles 0–1.

1–4(–6)-flowered;

axis (0–)1.5–3.5 cm in fruit;

bracts 0.8–2 mm;

bracteoles 0.

0.2–4 cm.

ascending, (0.5–)1–6(–8) cm.

1.5–3.5(–4.2) mm.

1–2.5 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.

8.2–14 mm;

calyx 4.6–8.5 mm, strigulose, tube (2.7–)3–4.6 mm, lobes lanceolate- to linear-subulate, 1.5–4.4 mm;

corolla pink-purple, banner with white in middle, wing tips white, keel maculate;

keel 6.6–8.7 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.

pale green and purple spotted becoming stramineous, slightly decurved or ± straight, bluntly 3-sided compressed, 8–18 × (2.3–)3.4–4.7 mm, thin becoming papery, densely strigulose.

(4 or)5–8(–11).