Flora of North America species comparison

erect or ascending, sparsely strigulose.

erect, 1–8 cm underground, strigulose.

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

2–13 cm;

stipules distinct throughout, 1–9(–10) mm, stiff-papery at proximal nodes, herbaceous becoming papery at distal nodes;

leaflets (1 or)3–9(or 11), blades linear to narrowly oblanceolate, 2–36 × 0.5–4 mm, apex obtuse to acute, surfaces usually strigose, sometimes glabrous adaxially;

terminal leaflet decurrent distally, not jointed to rachis.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

7–40+-flowered, flowers spreading-declined;

axis 3.5–45 cm in fruit;

bracts 0.8–2.5 mm;

bracteoles 0.

(2–)4–11 cm.

erect or incurved-ascending, 6–24 cm.

0.6–1.5 mm.

1.3–4.5 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

13–20 mm;

calyx brown, cylindric-gibbous, 5.8–10.3 mm, strigose, tube 5–8 mm, lobes subulate, 0.6–2.5 mm;

corolla ochroleucous to nearly white, concolorous;

banner recurved through 50°;

keel 10.5–14 mm, apex bluntly or sharply deltate.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

pendulous, often brownish, straight or slightly curved, ellipsoid to oblong, dorsiventrally compressed, convex, 22–50 × 3.3–6.2(–7.5) mm, stiffly papery, faces smooth or cross-reticulate, strigose or glabrous;

stipe 3–15 mm.

12–16.

12–26.

= 22.