Flora of North America species comparison

erect and ascending; densely strigulose.

many, decumbent, glabrous or sparsely strigose.

distalmost unifoliolate, sometimes also proximalmost, 3–8 cm;

stipules usually distinct throughout, rarely shortly connate-sheathing at proximal nodes, 1.5–9.5 mm, firm, early becoming papery;

leaflets (1 or)3–7, blades elliptic to narrowly oblanceolate, 10–47 × 2–9(–13) mm, apex obtuse to retuse, surfaces strigose;

terminal leaflet decurrent, not jointed to rachis.

3–7 cm;

stipules 2.5–5 mm, membranous or membranous-margined;

leaflets 13–25(–29), blades oblanceolate or obovate-cuneate, 6–16 mm, apex retuse or apiculate, surfaces glabrous (except midrib sparsely strigose) abaxially, glabrous adaxially.

7–30-flowered, flowers spreading-declined;

axis 2–11 cm in fruit;

bracts 1–2.5 mm;

bracteoles 0–2.

5–7-flowered, flowers ascending;

axis 1.5–2 cm in fruit;

bracts 2–4 mm;

bracteoles 2.

erect and incurved-ascending, 2.5–15.5 cm.

reclined in fruit, 2–6 cm.

1.2–3 mm.

1.5–5 mm.

(16–)20–24 mm;

calyx light brown, cylindric-gibbous, (7–)8.2–11(–12) mm, strigose, tube (5.5–)6.5–9.2 mm, lobes subulate, 1.7–2.6(–4) mm;

corolla ochroleucous, concolorous;

banner recurved through 45°;

keel 13.7–16.6 mm, apex bluntly or sharply deltate.

16–23 mm;

calyx short-cylindric, 9.5–11 mm, strigulose, tube 5.5–6.5 mm, lobes linear-subulate, 3.5–4.5 mm;

corolla whitish;

keel 12–13 mm.

pendulous, brown, straight, ellipsoid, dorsiventrally compressed, sometimes becoming subterete, 25–35 × 4–7.5 mm, papery, strigose;

stipe 8–12 mm.

ascending (humistrate), stramineous, slightly incurved, obliquely oblong-ovoid, obcompressed, 20–40 × (9–)11–19 mm, bilocular, fleshy becoming woody, glabrous;

septum 3–4 mm wide;

stipe 5–20 mm.

16–22.

26–28.