Flora of North America species comparison

erect or ascending, sparsely 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.

3–20 cm;

stipules 5–15 mm;

leaflets 5–11(or 13), blades lanceolate to elliptic or obovate, 6–25 mm, apex acute, surfaces densely strigose.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

(4 or)5–8-flowered, flowers erect-ascending;

axis 0.2–1 cm in fruit;

bracts 2.5–6 mm;

bracteoles 0–2.

(2–)4–11 cm.

recurved in fruit, 1.5–11 cm.

0.6–1.5 mm.

1.2–4 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.

17.5–23 mm;

calyx cylindric, (8.5–)9.5–14 mm, loosely strigulose, tube 7–11 mm, lobes linear-subulate, 1–3.5 mm;

corolla ochroleucous or greenish white, often tinged faintly purplish, keel tip purple;

banner recurved through 35–45°;

keel (14–)15–18.5 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.

ascending (humistrate in fruit), reddish to stramineous, incurved, plumply ovoid, inflated, moderately obcompressed, (15–)17–23 × 10–15 mm, unilocular, leathery, hirsute, hairs lustrous, to 2+ mm.

12–16.

24–38.