Flora of North America species comparison

decumbent to ascending, villosulous.

decumbent to ascending, proximal internodes greatly shortened, villosulous.

2–7 cm;

stipules 2–4.5 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (9 or)11–17(or 19), blades obovate-cuneate or oblong-oblanceolate, (4–)6–16 mm, apex truncate-retuse to obtuse, surfaces villosulous.

(3–)5–12 cm;

stipules obscuring proximal internodes, 3–6 mm, papery-membranous at proximal nodes;

leaflet blades lanceolate-oblong, oblong, or oblong-elliptic, 6–22 mm, apex emarginate or retuse, surfaces villosulous, sometimes glabrous adaxially.

8–16-flowered;

axis 1.5–4.5 cm in fruit;

bracts 2–3 mm;

bracteoles usually 2.

7–15-flowered;

axis 1.5–7.5 cm in fruit;

bracts 1.5–3.3 mm;

bracteoles (0–)2.

erect or incurved-ascending, 4.5–12 cm.

incurved-ascending, 4.5–15 cm.

1.5–3.5 mm.

ascending, 1.5–3.3 mm.

16.6–20 mm;

calyx 9–11.5 mm, densely villosulous, tube 6.9–8.5 mm, not swollen or gibbous proximally, marcescent, lobes triangular, 1.4–3 mm;

corolla whitish, keel tip faintly maculate;

keel 12–13.4 mm.

13.8–19.3 mm;

calyx 6–9.4 mm, villosulous, tube 4.2–5.5 mm, lobes subulate, 1.7–4 mm;

corolla whitish, drying ochroleucous or yellowish;

keel 9.5–12.3 mm.

spreading or pendulous, stramineous, lunate- or hamate-incurved, laterally falcately oblong, laterally compressed, 18–30 × (4–)5–7 mm, fleshy becoming leathery, densely villosulous;

stipe 5–8 mm.

pendulous (humistrate), brownish stramineous, oblong-ovoid or semi-ovoid, 10–25 × (4–)4.5–12 mm, fleshy becoming leathery or woody, glabrous or loosely strigulose;

stipe 5–12 mm.

24–30.

= 22.