Flora of North America species comparison

erect or ascending, sparsely strigulose.

erect, ascending, or decumbent, 2–8 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.

1.5–8.5 cm;

stipules 2–5.5 mm, herbaceous;

leaflets 9–23, blades linear, narrowly oblong, or elliptic, 1–33 mm, apex obtuse to acute, surfaces strigose or glabrous;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

6–15-flowered, flowers ascending;

axis 1–4 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0–2.

(2–)4–11 cm.

ascending, 1–6.5 cm.

0.6–1.5 mm.

1.4–4.3 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.

15–19 mm;

calyx cylindric, 5.5–8.7 mm, strigose, tube 4.7–7 mm, lobes subulate, 0.8–2.8 mm;

corolla white to yellowish and tinged faintly with pink, sometimes lightly suffused with pink-purple on drying, keel tip faintly to darkly purple;

keel 10.2–13 mm.

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, green or purple-mottled becoming stramineous or brownish, strongly incurved or coiled, obliquely oblong, sharply 4-sided compressed, 20–40 × 6–10 mm, fleshy becoming stiffly papery, glabrous or strigose.

12–16.

28–38.