Flora of North America species comparison

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

decumbent to erect, strigulose.

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.

(6–)8–20(–24) cm;

stipules 3–8 mm, submembranous early becoming papery;

leaflets (9–)17–25, blades oblong, elliptic, rhombic-ovate, or rhombic-lanceolate to linear-elliptic, (7–)10–20(–28) mm, apex obtuse to subacute, surfaces strigulose abaxially, glabrous adaxially.

7–17-flowered, flowers ascending to spreading;

axis 0.5–4.5 cm in fruit;

bracts 1–3 mm;

bracteoles 2.

(9–)15–30-flowered, flowers spreading to nodding;

axis (3–)5–17 cm in fruit;

bracts 2–4.5 mm;

bracteoles 2.

ascending or incurved, 1–4.5 cm.

erect, 8–16 cm.

0.3–2 mm.

1.5–5 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.

18.5–20.5 mm;

calyx short-cylindric, 9.6–12.2 mm, strigulose, tube 7–9 mm, lobes triangular to subulate, (1–)2–3.2 mm;

corolla ochroleucous, immaculate;

banner recurved through 50°;

keel 13–15 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.

erect, green, sometimes suffused or speckled with purple, becoming stramineous, straight or nearly so, subsymmetrically oblong- or ovoid-ellipsoid, moderately inflated, obcompressed, both sutures grooved, 11–22 × (4.5–)6.5–10 mm, base truncate, ± bilocular, fleshy becoming leathery, glabrous;

septum 1.4–1.8 mm wide;

stipe 12–18 mm.

14–30.

21–32.