Flora of North America species comparison

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

erect or ascending, 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.

(4–)5–14 cm;

stipules 3–5 mm, papery;

leaflets (17–)21–27(–33), blades oblong, obovate-cuneate, or oblanceolate, 4–14 mm, apex obtuse to truncate-retuse, surfaces villosulous, sometimes sparsely so adaxially.

7–17-flowered, flowers ascending to spreading;

axis 0.5–4.5 cm in fruit;

bracts 1–3 mm;

bracteoles 2.

10–25-flowered;

axis 5–12.5 cm in fruit;

bracts 1–2.5 mm;

bracteoles 0.

ascending or incurved, 1–4.5 cm.

erect, 5.5–18 cm.

0.3–2 mm.

1–4.5 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.

6.5–8.5 mm;

calyx 5–7.5 mm, strigose, tube 2.5–3.5 mm, lobes triangular, 0.7–1.1 mm;

corolla ochroleucous, immaculate;

banner recurved through 50–85°;

keel 8.2–12 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, stramineous, lunate, lanceoloid, 3-sided compressed, lateral face flat, dorsal face grooved, (16–)20–30 × 3–4.5(–5) mm, length 5–7 times width, stiffly papery, villosulous;

septum 2–3 mm wide;

stipe (4–)7–12(–14) mm.

14–30.

(11–)13–21.