Flora of North America species comparison

decumbent and ascending, sometimes fistulose, sparsely strigulose or glabrous.

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

(5–)8–20 cm;

stipules mostly distinct, (2–)4–10 mm, papery at proximal nodes, herbaceous at distal nodes;

sessile or subsessile to short-petiolate;

leaflets 25–41, blades narrowly oblong, ovate-cuneate, or rhombic-ovate, (3–)6–30(–37) mm, apex truncate, emarginate and apiculate, or subacute, surfaces sparsely strigulose or glabrous abaxially, 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–)20–45-flowered, flowers horizontal or declined;

axis 3.5–9 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0.

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 or incurved-ascending, 5.5–14 cm.

erect and ascending, 0.5–13 cm.

0.6–3.5 mm.

0.5–1.4(–2) mm.

11.1–15.3 mm;

calyx broadly campanulate, obliquely truncate or subgibbous abaxially, 5–7.2(–7.7) mm, strigulose, tube 3.5–4.8(–5) mm, lobes subulate or triangular-subulate, (1–)1.3–2.6(–3) mm;

corolla white, greenish white, or ochroleucous;

keel 9.4–13.2 mm.

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.

readily deciduous, horizontal or ascending, pale green or purplish stramineous, obliquely ovoid or semi-ovoid, bladdery-inflated, (18–)23–45(–50) × (10–)12–20 mm, thin becoming papery, translucent, sublustrous, sparsely strigulose or glabrate;

sessile.

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.

34–55.

16–28.

= 22.