Flora of North America species comparison

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

aerial tips prostrate or ascending, nodes short, strigulose-pilosulous and ashy gray.

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.

1.5–7(–8) cm;

stipules connate-sheathing, 2–5 mm, submembranous;

leaflets mostly crowded, blades folded or involute, ovate, ovate-oblong, or elliptic, 2–10 mm, apex obtuse to acute, surfaces pubescent, sometimes glabrescent adaxially.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

loosely (1–)3–6-flowered, (0–)1–10(–15) mm (in fruit);

bracts 1.5–5 mm;

bracteoles 0–2.

erect, 1.5–5.5 cm.

procumbent (in fruit), 1–3(–6.5) cm.

0.5–2.3 mm.

0.5–1.5 mm, (1–2 mm in fruit).

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.

10.7–12.5 mm;

calyx 5–7 mm, strigulose, tube 3–4.2 mm, lobes subulate, 1.8–3 mm;

corolla pink-purple, lilac, or whitish, keel apex maculate, banner veined and suffused with lilac;

keel 9–10 mm.

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

slightly incurved, 6.5–11.5 × 3–3.5 mm, thinly submembranous, strigulose.

6–9.

= 24.