Flora of North America species comparison

ascending, decumbent, or sprawling, silky-strigose, villous, or villous-tomentose.

prostrate or decumbent with ascending tips, 1.5–12+ cm underground, densely silky-villosulous.

(1–)2–7(–10) cm;

stipules clasping with margins touching but distinct or shortly connate at proximal nodes, distinct at distal nodes, (1–)2–7(–11) mm, often veined, semileathery;

leaflet blades linear, lanceolate, oblong, elliptic, or elliptic-oblanceolate, 3–33(–35) mm, apex acute, subacute, or obtuse, surfaces glabrous, glabrate, or pubescent.

(0.7–)1–3 cm;

stipules mostly connate throughout, sometimes distinct at distal nodes, 1–3 mm, scarious at proximal nodes, herbaceous at distal nodes;

leaflets 9–13(or 15), blades oval, obovate-cuneate, or oblong-obovate, 2–8 mm, apex obtuse, surfaces villous abaxially, glabrous adaxially.

densely or loosely 6–40-flowered;

axis 1.5–15 cm in fruit, elongating little after flowering;

bracts 1.2–5 mm;

bracteoles 0.

6–12-flowered;

axis 0.5–1.2 cm in fruit;

bracts 1.5–3 mm;

bracteoles 2.

usually erect, rarely humistrate in fruit, (2–)2.5–15 cm, equal to or longer than subtending leaf, together with racemes usually shorter than stems.

incurved-ascending, (1–)2–4.5 cm.

0.8–2.2 mm 1.2–3.5 mm in fruit.

0.8–2 mm.

7–13.8(–14.5) mm;

calyx 3.7–6.4 mm, villous or strigulose, tube 2.4–5 mm, lobes subulate, (1–)1.1–4 mm;

corolla white to purplish or creamy white;

wing apex bidentate;

keel (6.1–)6.7–9.6 mm, shorter than wings.

10–13 mm;

calyx 4.8–6.6 mm, loosely villosulous, tube 3–4.6 mm, lobes broadly subulate, 1.2–2.1 mm;

corolla whitish, tinged with pinkish lavender, fading cream;

banner recurved through 50°;

keel 6.7–8 mm.

green, often with red or purple, becoming stramineous, ± straight or slightly curved abaxially, convex adaxially, not sulcate, obliquely ellipsoid, semi-ellipsoid, or narrowly oblong, laterally compressed, 10–30 × 3–9(–11) mm, papery, translucent, usually glabrous, sometimes strigose, hyaline septum 0–0.6 mm wide;

stipe 2.5–8[–10] mm.

spreading or ascending (sometimes humistrate), green or purplish-cheeked becoming stramineous, almost straight to incurved through 0.3 spiral, obliquely ovoid-acuminate or lanceoloid-ovoid, somewhat dorsiventrally compressed, 15–20 × 6–9 mm, ± bilocular, slightly fleshy becoming papery, shortly villosulous.

8–16.

18–28.

= 22.