Flora of North America species comparison

prostrate, strigose-pilosulous.

spreading to ascending and diffuse, with well-developed internodes, sparsely strigulose.

1–3.5 cm;

stipules connate, 1–3 mm, submembranous becoming scarious at proximal nodes;

leaflets 7–13, blades lanceolate, oblanceolate, or linear-elliptic, 1–6 mm, apex acute or subacute, surfaces strigose-pilosulous, sometimes glabrescent adaxially;

terminal leaflets decurrent distally, not jointed to rachis, often recurved.

(2.5–)4.5–10.5 cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, 1.5–6 mm, papery-scarious;

leaflets (7–)15–25, blades linear-oblong, -oblanceolate, or filiform, 1–11 mm, apex obtuse or subacute, surfaces strigulose abaxially, glabrous adaxially;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

5–9-flowered;

axis 1–2 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0.

(5–)8–20-flowered;

axis (2–)3–10 cm in fruit;

bracts 0.7–2 mm;

bracteoles 0–2.

straight, 0.7–2 cm.

(0.5–)1.5–7 cm.

1–2.5 mm.

0.7–2 mm.

5–7.5 mm;

calyx 3.3–4.4 mm, strigulose, tube 1.8–2.1 mm, lobes subulate, 1.4–2.4 mm;

corolla ochroleucous, banner veined purple;

banner recurved through 90–100°;

keel 4–4.5 mm.

6–8.2 mm;

calyx 2.5–5 mm, strigulose, tube (1.5–)1.8–3 mm, lobes subulate, 0.8–2 mm;

corolla usually white or whitish, rarely yellow, drying yellowish, banner sometimes brownish-striate;

banner abruptly recurved through (50–)85–100°;

keel 4.7–5.7 mm.

deflexed, stramineous, incurved, subsymmetrically oblong-ellipsoid, 3-sided compressed, 5–8 × 1.9–3(–3.3) mm, papery, white-pilose;

septum 0.8–1.7 mm wide;

stipe 0.1–0.5 mm.

pendulous, stramineous, slightly incurved, lunately semi-ellipsoid, 3-sided compressed, 9–16 × 3–4.5 mm, papery, finely strigulose;

septum 1.3–2 mm wide;

stipe 3–5 mm.

6–9.

11–16.