Flora of North America species comparison

ascending to erect, sparsely strigulose.

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

(2.5–)4–10 cm;

stipules connate-sheathing and papery at proximal nodes, connate or distinct and herbaceous at distal nodes, 2.5–10 mm;

leaflets 3–11, blades linear-oblong or oblanceolate, (6–)15–50 mm, margins flat, elevated, apex obtuse to subacute, surfaces strigulose abaxially, glabrous or strigulose adaxially;

terminal leaflet decurrent, not jointed to rachis.

(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.

(5–)9–27-flowered, flowers ascending;

axis 1–7 cm in fruit;

bracts 2.5–7 mm;

bracteoles 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 and strict, 3–10 cm.

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

2–7 mm.

1–1.3 mm, 1.2–1.5 mm in fruit.

15–22.5 mm;

calyx 6.5–10.3 mm, strigose, tube 5.2–8 × 2.9–4.2 mm, lobes subulate, 1.2–2.5 mm;

corolla cream;

keel (11.5–)12.7–15.2 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.

erect or ascending, brown or stramineous, ± straight, narrowly oblong or oblong-ellipsoid, terete or somewhat laterally compressed, 9–18 × 2.7–3.5 mm, fleshy becoming stiffly leathery, usually glabrous, rarely strigulose;

sessile.

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.

(14–)16–21(–23).

6–10.

= 44.

= 22.