Flora of North America species comparison

decumbent-ascending to erect, strigulose.

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

(2–)4–17 cm;

stipules 4–13(–16) mm, papery-scarious, pallid;

leaflet blades oblong to elliptic, (4–)7–27(–33) mm, apex acute or obtuse, surfaces sparsely to moderately strigose, sometimes glabrous adaxially.

(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.

(7–)10–50-flowered;

axis (0.6–)1–9(–13) cm in fruit;

bracts 2–8 mm;

bracteoles 0.

densely or loosely 6–40-flowered;

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

bracts 1.2–5 mm;

bracteoles 0.

erect or incurved-ascending, (3–)4–14(–16.5) cm.

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.

to 0.8 mm.

0.8–2.2 mm 1.2–3.5 mm in fruit.

11.5–19.5 mm;

calyx [4.8–]5.6–10.5 mm, strigulose, tube [3–]4–7 × 2–3.2 mm, lobes subulate or subulate-setaceous, 0.4–4.2 mm;

corolla keel 8–15 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.

stramineous, ovoid-, oblong-, or lanceoloid-ellipsoid, or narrowly oblong, [5.5–]6–12 × 2.3–4 mm, thin becoming papery, strigulose;

stipe 0–1.8 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.

8–16.