Flora of North America species comparison

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

erect or ascending, strigulose or glabrate.

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 1.5 mm, membranous;

leaflets 7–17, blades obovate-cuneate, obcordate to lanceolate, narrowly oblong, or linear-elliptic, 3–16 mm, apex retuse, truncate, obtuse, or acute, surfaces strigulose abaxially, glabrous adaxially.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

2–12-flowered, subcapitate, flowers loosely spreading;

axis 0.2–0.8 cm in fruit;

bracts 0.7–2 mm;

bracteoles 0 or 1.

erect, 1.5–5.5 cm.

erect, incurved-ascending, or divaricate, 2.5–7 cm.

0.5–2.3 mm.

0.5–2.3 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.

5–11.8 mm;

calyx 2.7–5.4 mm, strigulose-villosulous, tube 1.6–3.2 mm, lobes broadly subulate, 0.9–2.3 mm;

corolla pink-purple, keel maculate;

banner recurved 30–40°;

keel 3.4–6.4 mm, apex bluntly deltate, sometimes obscurely beaklike.

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

ascending, spreading, or declined, stramineous, straight or curved, linear- or narrowly lanceoloid-oblong, obscurely 3-sided compressed, falling before splitting, dehiscent on ground, (6–)10–50 × 1.7–3.5 mm, base round, thinly fleshy becoming stiffly papery, strigulose, villosulous, or glabrous; bearing seeds near middle;

stipe 2.7–5 mm.

5–14.

= 24.