Flora of North America species comparison

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

spreading to ascending, glabrous or glabrate.

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.

4–12 cm;

stipules 3.5–9.5 mm, papery at proximal nodes, submembranous at distal nodes;

leaflets (11–)15–23, blades broadly oblong, ovate, or obovate to suborbiculate, (4–)6–16(–20) mm, apex retuse or abruptly short-acuminate, surfaces glabrous, sparsely ciliate, abaxially with few hairs on midrib.

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 (1.5–)2–5 cm in fruit;

bracts 1.7–4 mm;

bracteoles 0.

ascending or incurved, 1–4.5 cm.

erect or incurved-ascending, 5–12 cm.

0.3–2 mm.

0.6–1.2 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.

10–14 mm;

calyx 5.2–7 mm, sparsely strigulose, tube 3.1–4 mm, lobes subulate, 2.1–3.2 mm;

corolla greenish white, immaculate, often drying cream;

banner recurved through 40–60°;

keel 7.7–10 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.

spreading or declined, stramineous or blackish, incurved to 0.5 spiral, lunately or falcately linear-lanceoloid or linear, 3-sided, 14–24 × 2.6–3.6 mm, firmly papery, glabrous;

septum 1.5–2.3 mm wide;

stipe 0.8–1.9 mm.

14–30.

10–15.