Flora of North America species comparison

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

prostrate, 0.4–9 cm, internodes less than 1 cm, pilosulous.

(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.

3–24 cm;

stipules 2.5–8 mm, submembranous becoming papery;

leaflets 17–27, blades rhombic- to elliptic-obovate or obovate-cuneate, 3–17(–27) mm, apex obtuse or emarginate, surfaces pilosulous.

densely or loosely 6–40-flowered;

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

bracts 1.2–5 mm;

bracteoles 0.

loosely 7–14(–26)-flowered, flowers ascending;

axis 2–5.5(–14) cm in fruit;

bracts 1.5–8 mm;

bracteoles 0(–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.

humistrate or procumbent in fruit, 4–18 cm.

0.8–2.2 mm 1.2–3.5 mm in fruit.

0.6–3 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.

17–20(–22) mm;

calyx cylindric, 9.5–11(–12) mm, pilosulous, tube 8–9.5 mm, lobes subulate to triangular, 1–1.7 mm;

corolla pink-purple;

banner recurved through 45°;

keel 17–19 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.

ascending (humistrate), green or purplish, straight proximally, incurved distally, obliquely oblong-ellipsoid or lanceoloid-ellipsoid, laterally compressed, abaxially compressed on drying, grooved only along dorsal suture, 21–30(–40) × 7.5–9(–16) mm, semibilocular, fleshy becoming subligneous, strigulose.

8–16.

30–45.