Flora of North America species comparison

erect or ascending, softly villous-hirsute or shaggy-villous.

erect, stiffly ascending, or basally decumbent, 0–4 cm underground, strigulose.

4–13 cm;

stipules connate-sheathing or distinct at proximal nodes, distinct at distal nodes, (2–)3–12 mm, submembranous becoming papery-scarious;

leaflet blades oblong to oblanceolate or obovate, 4–33 mm, apex obtuse to truncate or emarginate, surfaces villous-pilose abaxially, glabrous adaxially.

(2.5–)3.5–10(–12) cm;

stipules connate at proximal nodes, distinct at distal nodes, 2.5–6 mm, submembranous becoming papery-scarious;

leaflets (13 or)15–25, blades orbiculate, ovate, obovate, lanceolate-elliptic, or oblong-elliptic, (2–)3–12 mm, apex rounded to emarginate, surfaces pubescent abaxially, glabrous adaxially.

14–30-flowered;

axis 3–22 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

densely becoming loosely (15–)20–45-flowered;

axis 2.5–6 cm in fruit;

bracts 1.2–2.5 mm;

bracteoles 0–2.

erect, 4–12(–15) cm.

erect to ascending, 3.5–6(–10) cm, together with racemes usually shorter than stems.

1.5–5 mm.

1–1.3 mm, 1.2–1.5 mm in fruit.

(16–)18–25 mm;

calyx 7–12.5 mm, sparsely villous, tube 4.7–8 mm, lobes subulate, 1.7–4.5 mm;

corolla keel 12–15 mm.

9.6–10 mm;

calyx marcescent, 4.5–5.1 mm, strigulose, hairs black, sometimes also white, tube 3.3–4 mm, lobes triangular-subulate, 0.8–1.3 mm;

corolla ochroleucous, fading yellowish, keel immaculate;

banner gently incurved through 45–50°;

keel 6.4–7.6 mm.

stramineous, 17–32 × 3.5–5.5 mm, fleshy becoming stiffly papery or leathery, glabrous;

septum 0.6–1.5 mm wide;

stipe 5–11 mm.

persisting and dehiscent on plant, slightly incurved, obliquely ellipsoid, laterally compressed and bluntly 3-sided, 10–15 × 4.5 mm, incompletely bilocular, thinly papery, strigulose;

valves inflexed as hyaline septum 0.4 mm wide;

stipe 5–6 mm.

6–10.

= 22.

= 22.