Flora of North America species comparison

prostrate to weakly ascending, branched proximally.

single or few to many.

3–8(–11) cm;

leaflets 11–15(–19), blades obovate or oblanceolate, 5–15 mm, apex retuse, surfaces glabrate to densely strigulose, hairs appressed or subappressed.

odd-pinnate, petiolate to subsessile;

leaflets (3–)7–27(or 29).

(11–)15–30(–37)-flowered, short and dense, cylindric or globose in fruit;

axis 1–4(–7) cm in fruit.

loosely or remotely flowered or subumbellate, flowers ascending to spreading or declined.

1–4(–7) cm.

8.8–11 mm;

calyx 4–6.5 mm, tube 3–4 mm, lobes 0.6–1.4(–2) mm;

corolla whitish, sometimes wings and keel with lavender tips.

usually white, lilac, purple, or pink- to magenta-purple, lavender, or violet, sometimes ochroleucous or yellowish, keel apex usually purple, banner recurved through 30–50°, keel apex round, obtuse, or bluntly deltate.

tubes cylindric or campanulate.

faintly mottled becoming stramineous, obliquely ovoid or subglobose, strongly inflated, (8–)12–21 × (6–)7–12 mm, thinly papery, translucent, glabrous or strigulose;

beak 3–7 mm, unilocular.

usually deciduous, sometimes persistent, usually sessile, rarely short-stipitate, ascending, spreading, deflexed, or declined, linear, narrowly lanceoloid to oblanceoloid or ellipsoid, oblong, ovoid to obovoid, subglobose, or triangular-obcordate, ventral suture deeply grooved and appearing ± didymous, strongly inflated, terete, dorsiventrally compressed, or 3-sided compressed, straight or curved, usually bilocular, sometimes semibilocular or unilocular.

15–21(–25).

(7–)10–42.

basifixed.

distinct.