Flora of North America species comparison

erect or ascending, sparsely strigulose.

erect or ascending, fistulose, white and villous-tomentulose.

(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–)4–16 cm;

stipules 3–10 mm, submembranous becoming papery;

leaflet blades oblong-ovate or -obovate to lanceolate-elliptic, 3–20 mm, apex acute, obtuse and apiculate, or apiculate, surfaces villous-tomentulose.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

35–60-flowered;

axis 3.5–10(–14) cm in fruit;

bracts 2.5–5 mm;

bracteoles 0.

(2–)4–11 cm.

spreading or incurved-ascending, 2.5–9 cm.

0.6–1.5 mm.

0.5–1.5 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.

9.1–11.7 mm;

calyx 6.2–8.1 mm, villous-villosulous, tube 3.3–4.1 mm, lobes lanceolate-acuminate to caudate, 2.5–5(–6) mm;

corolla keel 6.4–8.5 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.

stramineous, 6.5–9 × (2.5–)3–4 mm, thinly fleshy becoming stiffly papery, villous or villous-tomentulose;

gynophore 0.5–0.7 mm.

12–16.