Flora of North America species comparison

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

only tips produced aboveground, 0–5 cm, 2–30 cm underground, often with marcescent leaf rachises, densely canescent-hirsutulous.

(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.

1–4 cm;

stipules ± obscuring stem, 2–4 mm, papery-scarious;

leaflet blades ovate to obovate or oblanceolate, 1–7 mm, apex obtuse, mucronate, 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.

2–5-flowered;

axis 0.2–1 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0.

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.

ascending, 1–3 cm.

0.8–2.2 mm 1.2–3.5 mm in fruit.

1–1.5 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.

9–12 mm;

calyx 5.5–7 mm, hirsutulous, tube 3–4 mm, lobes subulate, 1.8–3 mm;

corolla pink-purple or whitish, usually suffused with purple, keel tip purple;

keel not concealing style, 9–11 mm, apex long-attenuate and beaklike.

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.

mottled, straight, 12–18 × 8–15 mm, papery, spreading-hairy.

8–16.