Flora of North America species comparison

erect or ascending, sparsely strigulose.

several, erect or ascending, proximalmost internodes very short, hirsute-villosulous.

(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.

4–15 cm;

stipules obscuring proximal internodes, 7–17 mm, whitish-papery at proximal nodes, thinly herbaceous at distal nodes;

leaflets (7–)11–19(or 21), blades obovate, obovate-cuneate, or elliptic, 5–20 mm, apex obtuse, retuse, or subacute, surfaces hirsute-villosulous, sometimes glabrescent adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

9–35-flowered, flowers declined;

axis 2–10(–15) cm in fruit;

bracts 4–9 mm;

bracteoles 2.

(2–)4–11 cm.

erect or incurved-ascending, sometimes reclined in fruit, 4–11 cm.

0.6–1.5 mm.

0.7–3 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.

12–15 mm;

calyx cylindric, 8.6–13(–14) mm, hirtellous, tube 7–9 mm, lobes subulate, 1.6–4(–5) mm;

corolla reddish purple;

keel 12.3–14.5(–16) 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.

reflexed, green and suffused or dotted red, becoming stramineous, shallowly to deeply incurved, narrowly oblong or oblong-ellipsoid, 3-sided compressed, grooved dorsally, 18–38 × 4.5–6 mm, bilocular, fleshy becoming stiffly papery, shaggy-hirsute, hairs lustrous, spreading, 1–3 mm;

stipe 1–3 mm.

12–16.

16–24.