Flora of North America species comparison

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

prostrate, when developed, to 8 cm, internodes often obscured by stipules, 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.

1–12 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 1.5–7 mm, submembranous becoming papery-scarious;

leaflets (3–)7–17, blades elliptic to oblanceolate or obovate, 2–13 mm, apex acute to obtuse, surfaces strigose abaxially, strigose or glabrate adaxially.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

3–16(–18)-flowered, flowers ascending to declined;

axis 0.4–13 cm in fruit;

bracts (1–)1.5–5 mm;

bracteoles 0–2.

erect, 1.5–5.5 cm.

erect and ascending, 0.5–13 cm.

0.5–2.3 mm.

0.5–1.4(–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.

6–9 mm;

calyx campanulate, 3.5–6 mm, strigose-pilose, tube 2.5–4.2 mm, lobes subulate, 0.8–2.6 mm;

corolla pink-purple or bicolored;

keel 5.9–12.5 mm.

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

declined to deflexed, green, usually red-mottled or -spotted, becoming stramineous, ± straight or lunately to very strongly incurved through 0.75(–1) spiral, obliquely ovoid to lanceoloid-ellipsoid, dorsiventrally compressed, 6–19 × 3–6 mm, unilocular, papery-membranous, hirsute, hairs lustrous;

sessile, gynophore 0–1.2 mm.

16–28.

= 24.