Flora of North America species comparison

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

decumbent to incurved-ascending, strigulose to pilose.

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.

(5–)8–23 cm;

stipules (3–)6–12 mm, submembranous;

leaflets (19–)23–39(–43), blades usually lanceolate-ovate or rhombic-elliptic, sometimes oblong-obovate, (3–)5–20 mm, apex usually acute or subacute, sometimes obtuse or emarginate, surfaces strigulose to pilose abaxially, glabrescent or glabrate adaxially.

7–17-flowered, flowers ascending to spreading;

axis 0.5–4.5 cm in fruit;

bracts 1–3 mm;

bracteoles 2.

(10–)12–24-flowered, flowers nodding, secund, retrorsely imbricate;

axis (3–)5–12 cm in fruit;

bracts 3–10 mm;

bracteoles 0–2.

ascending or incurved, 1–4.5 cm.

incurved-ascending, (5–)6–15 cm.

0.3–2 mm.

1–3.5 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.

15.7–19.2 mm;

calyx cylindric to broadly campanulate, 9.6–13 mm, strigulose, tube 6.8–9.4 mm, lobes lanceolate or triangular-lanceolate, 2.8–4.4 mm;

corolla dull pinkish lavender, greenish purple, or bright magenta-purple;

banner recurved through 45°;

keel 11.3–12.7 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.

loosely pendulous (from ascending peduncles) or ascending (and humistrate), stramineous then brownish, gently incurved, obliquely oblong-ellipsoid, obcompressed, (17–)20–33 × (4–)7–11 mm, ± unilocular, fleshy becoming leathery, strigulose.

14–30.

28–33.

= 22.