Flora of North America species comparison

prostrate to decumbent, finely cinereous, glabrous, or glabrate.

decumbent to ascending, proximal internodes greatly shortened, villosulous.

2–8 cm;

stipules 2–6 mm, membranous or thinly herbaceous;

leaflets (7 or)9–19(or 21), blades obovate to oblong or oblanceolate to elliptic, 3–18 mm, apex truncate to retuse, obtuse, or mucronate, surfaces sparsely strigose abaxially, usually glabrous adaxially.

(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.

7–17-flowered, flowers ascending to spreading;

axis 0.5–4.5 cm in fruit;

bracts 1–3 mm;

bracteoles 2.

7–15-flowered;

axis 1.5–7.5 cm in fruit;

bracts 1.5–3.3 mm;

bracteoles (0–)2.

ascending or incurved, 1–4.5 cm.

incurved-ascending, 4.5–15 cm.

0.3–2 mm.

ascending, 1.5–3.3 mm.

9–15.5 mm;

calyx shortly cylindric, (3.3–)5–8 mm, strigose, tube 2.6–5 mm, lobes subulate, (0.6–)1–3 mm;

corolla usually purple, lilac, or whitish, rarely cream (concolorous), sometimes keel tips purple;

banner recurved through 45°;

keel 7.5–12 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.

disjointing from receptacle when mature, ascending to declined, green, often red-mottled, becoming stramineous or purplish, curved through 0.25–0.5+ spiral, obliquely lanceoloid, dorsiventrally or 3-sided compressed, (20–)25–40 × (2.5–)3–8.5 mm, unilocular to semibilocular, fleshy becoming leathery or stiffly papery, strigose;

sessile.

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.

14–30.