Flora of North America species comparison

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

erect, ascending, or trailing, strigulose to 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.

(2.5–)5–16(–20) cm;

stipules usually distinct, rarely connate at proximal nodes, (2–)3–7 mm, herbaceous;

leaflets (15–)21–35(–39), blades ovate- or lanceolate-oblong, oblong-elliptic or -oblanceolate, (2–)5–20(–25) mm, apex emarginate, surfaces pubescent, sometimes 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.

(10–)15–50-flowered, flowers spreading becoming nodding;

axis (2–)3.5–13(–16) cm in fruit;

bracts 1–3.3 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.

erect or incurved-ascending, (4–)6–26(–30) cm.

0.8–2.2 mm 1.2–3.5 mm in fruit.

1.2–5.2 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.

11.3–19 mm;

calyx pallid, obliquely turbinate, 5–8.7 mm, strigulose or strigulose-villosulous, tube 3.6–5.4 mm, lobes subulate, (0.9–)1.1–3.7 mm;

corolla greenish white or cream, rarely veined pale pink or purple;

banner recurved through 40–45°;

keel 8.6–13.3 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.

pendulous, pale green or purplish-tinged becoming stramineous, straight or decurved, linear-ellipsoid, fusiform-ellipsoid, semi-ovoid, semi-ellipsoid, ovoid, or oblanceoloid, ± greatly inflated, often bladdery, laterally compressed when narrow, (13–)15–40(–45) × 4.8–18(–21) mm, thin becoming papery, lustrous, glabrous or strigulose;

stipe filiform, (6–)6.5–17 mm, flexible, strigulose-villosulous.

8–16.

(10–)12–30.