Flora of North America species comparison

erect or ascending, usually flexuous and abruptly angled distal to each node, hirsute or hirsutulous.

ascending to erect or spreading-decumbent, diffuse, radiating, strigulose.

3–10(–11) cm;

stipules lanceolate-attenuate, (1.5–)2.5–8(–9) mm, herbaceous, sometimes papery at proximal nodes;

leaflet blades obovate to elliptic, (3–)5–19 mm, apex acute to obtuse or retuse, surfaces pubescent abaxially, sometimes glabrous adaxially.

2–9 cm;

stipules distinct, 1–4.5 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets 5–15, blades oblong to ovate, obovate, or elliptic, 2–14 mm, apex obtuse to retuse, mucronate, or acute, surfaces villosulous.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

3–12-flowered, flowers spreading;

axis 0.4–3.5 cm in fruit;

bracts 1–3 mm;

bracteoles 0.

erect, 1.5–5.5 cm.

incurved, 1–4 cm.

0.5–2.3 mm.

0.5–2 mm.

12–15.3 mm;

calyx 9.5–13 mm, hirsute to hirsutulous, tube 7–8.6 mm, lobes subulate to linear-subulate, 2.5–5.5 mm;

corolla bicolored, keel tip maculate.

8.8–12.2 mm;

calyx campanulate, 4.8–6.3 mm, villosulous, tube 2.8–4.2 mm, lobes subulate, 1.8–2.8 mm;

corolla pink-purple or ochroleucous;

banner incurved through 90–110°;

keel 7.3–8.7 mm, apex bluntly triangular or deltate.

stramineous, incurved, (20–)25–40 × (4–)5–7(–8) mm, thin becoming papery, glabrous.

deciduous from receptacle, spreading-declined, green or reddish becoming stramineous, incurved through 0.25–0.5 spiral, obliquely lanceoloid-ellipsoid, inflated, 12–20 × 4–8(–9) mm, thin becoming papery, shaggy-pilose, hairs lustrous, 1–2 mm.

9–18.

= 24.