Flora of North America species comparison

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

to 6 cm, internodes ± obscured by stipules, densely villosulous and hirsute.

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.

4–12 cm;

stipules 3.5–7 mm, submembranous becoming papery;

leaflets 11–17, blades elliptic to obovate, 2–14 mm, apex short-acuminate to acute, surfaces strigulose-villosulous, hairs ascending, dull.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

5–10-flowered, flowers ascending;

axis 0.5–2 cm in fruit;

bracts 3–6 mm;

bracteoles 0–2.

erect, 1.5–5.5 cm.

ascending, 2–5.5 cm.

0.5–2.3 mm.

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.

18–22.5 mm;

calyx cylindric, 8.4–12 mm, villous, tube 6.2–7.5 mm, lobes subulate, 2–4 mm;

corolla whitish suffused with pale purple, keel tip purple;

banner recurved through 40°;

keel 12–13.3 mm, 4.5–9 mm shorter than banner.

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

ascending (not humistrate), sessile or substipitate, incurved, ovoid-ellipsoid, obcompressed, 10–20 × 5–10 mm, unilocular, fleshy becoming stiffly leathery, densely hirsute, hairs lustrous, concealing surface, longest 2–2.5 mm.

14–16.

= 24.