Flora of North America species comparison

and herbage strigulose, hairs malpighian.

several to many.

1–1.7 cm;

stipules dimorphic, those at proximal nodes connate into short, bidentate sheath, those at distal nodes longer, connate at base only, lanceolate or lanceolate-acuminate, often without spines, 1.5–7(–8) mm;

leaflets 5, blades 4–10 mm, surfaces pubescent.

odd-pinnate, sessile or subsessile to petiolate;

leaflets (3–)5–21, jointed or decurrent.

sometimes paired, loosely or remotely flowered, flowers ascending, spreading, or declined.

0.1–0.6 cm.

5.2–6.5 mm;

calyx 3.6–5.1 mm, tube 1.6–2.5 mm, lobes subulate, spinulose, 1.9–3 mm;

corolla whitish, banner and keel tips sometimes faintly tinged pink or lilac.

pink-purple, whitish, or ochroleucous, banner recurved through 40–90°, keel apex obtuse.

tubes usually campanulate, sometimes turbinate-campanulate.

lenticular or ovoid-lenticular, 3–4.5 × 1.4–2 mm.

eventually deciduous or persistent, sessile or stipitate, deflexed, declined, or pendulous, linear, oblong, ellipsoid, lenticular, or ovoid- or obovoid-subglobose, compressed laterally or bladdery-inflated, unilocular.

2(or 3).

2–9(–11).

usually basifixed, rarely malpighian (in some varieties of A. kentrophyta).

connate or distinct at distal nodes.

= 24.