Flora of North America species comparison

erect, strigulose-cinereous.

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

2–7 cm;

stipules 1–3 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets 5–9, blades linear to linear-oblong, 3–15 mm, apex obtuse to subacute, surfaces strigose, sometimes glabrescent 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.

(3–)7–30-flowered;

axis (1.5–)4–25 cm in fruit;

bracts 0.6–1.5 mm;

bracteoles 0.

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

axis 2.5–6 cm in fruit;

bracts 1.2–2.5 mm;

bracteoles 0–2.

divaricate and incurved-ascending, (3–)5–15 cm.

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

1–2 mm.

1–1.3 mm, 1.2–1.5 mm in fruit.

6.3–8 mm;

calyx 2.6–3.2 mm, strigose, tube 2.3–2.8 mm, lobes deltate or subulate, 0.3–0.8 mm;

corolla ochroleucous, concolorous;

keel 6.3–7.4 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.

pendulous, pale green, often faintly purple-mottled, becoming stramineous, straight or falcately decurved, narrowly oblong or lanceoloid-oblong, 12–25 × 3–4(–5) mm, papery, strigulose;

stipe 4–8 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–)8–14.

6–10.

= 22.