Flora of North America species comparison

usually obscured by stipules, or internodes to 2 cm, villous to villous-tomentose.

spreading to ascending and diffuse, with well-developed internodes, sparsely strigulose.

1–12(–15) cm;

stipules (2.5–)3–15 mm, membranous;

leaflets (3 or)5–17(–21), blades obovate, obovate-cuneate, elliptic to oblanceolate, or rhombic-elliptic, 2–14(–20) mm, apex usually acute, subacute, acuminate, or obtuse, rarely truncate-emarginate, surfaces densely villous.

(2.5–)4.5–10.5 cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, 1.5–6 mm, papery-scarious;

leaflets (7–)15–25, blades linear-oblong, -oblanceolate, or filiform, 1–11 mm, apex obtuse or subacute, surfaces strigulose abaxially, glabrous adaxially;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

1–11-flowered, flowers ascending;

axis 0.3–2(–4) cm in fruit;

bracts 2–9 mm;

bracteoles 0.

(5–)8–20-flowered;

axis (2–)3–10 cm in fruit;

bracts 0.7–2 mm;

bracteoles 0–2.

ascending or erect, decumbent in fruit, 1.5–10.5 cm.

(0.5–)1.5–7 cm.

1–5 mm.

0.7–2 mm.

19–25(–27) mm;

calyx cylindric, cylindro-campanulate, or campanulate, (5.5–)6–16(–19) mm, villous-pilose, tube (4–)4.5–12(–13.6) mm, lobes subulate, 1–6(–7) mm;

corolla white, cream, purple, or pink-purple;

banner recurved through 40°;

keel 8–21.2(–22.5) mm.

6–8.2 mm;

calyx 2.5–5 mm, strigulose, tube (1.5–)1.8–3 mm, lobes subulate, 0.8–2 mm;

corolla usually white or whitish, rarely yellow, drying yellowish, banner sometimes brownish-striate;

banner abruptly recurved through (50–)85–100°;

keel 4.7–5.7 mm.

initially ascending (humistrate), brownish, not mottled or spotted, incurved, ovoid, ovoid-ellipsoid, or lanceoloid-ellipsoid, dorsiventrally compressed, 7–26(–30) × 3.5–11(–13) mm, unilocular, fleshy becoming leathery, mostly shaggy-villous, sometimes tomentose or villous-hirsute, hairs 1.6–4(–5) mm, often concealing surface;

sessile or subsessile, or gynophore 0.5+ mm.

pendulous, stramineous, slightly incurved, lunately semi-ellipsoid, 3-sided compressed, 9–16 × 3–4.5 mm, papery, finely strigulose;

septum 1.3–2 mm wide;

stipe 3–5 mm.

14–38(–46).

11–16.