Flora of North America species comparison

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

decumbent to ascending, sparsely strigose.

(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.

5–8 cm;

stipules distinct throughout, 1.7–3.3 mm;

leaflets 15–23, blades obovate-cuneate or oblong-oblanceolate, 7–16 mm, apex mostly truncate-retuse to obtuse, surfaces sparsely pubescent abaxially, nearly glabrous adaxially.

(10–)20–45-flowered, flowers horizontal or declined;

axis 3.5–9 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0.

7–20-flowered, flowers ascending at anthesis;

axis 1.5–4.5 cm in fruit;

bracts 1.4–2.7 mm;

bracteoles usually 2.

erect or incurved-ascending, 5.5–14 cm.

6–10 cm.

0.6–3.5 mm.

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.

14–19 mm;

calyx campanulate to subcylindric, 7.5–8.8 mm, tube 6–7.3 mm, teeth 1.5 mm, acuminate;

corolla creamy-white, often tinged rose or lavender, especially on keel tip;

banner recurved through 40–50°.

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.

spreading or pendulous, falcately oblong, laterally compressed, 28–37 × 3–3.5 mm, bicarinate, unilocular, sparsely white-strigose;

stipe 6–9 mm.

34–55.

unknown.

= 22.