Flora of North America species comparison

prostrate to ascending, 0–11 cm, internodes often concealed by white-hairy stipules and dense white hairs, villous-tomentulose.

diffuse or ascending, (0–)1–4 cm underground, gray-strigulose.

2–15 cm;

stipules sometimes shortly connate-sheathing at proximal nodes, 1.5–5.5 mm, submembranous becoming papery-scarious;

leaflets 13–25, blades elliptic or ovate, 2–16 mm, apex usually acute, sometimes obtuse, surfaces silvery-villous.

sparse, 2.5–9 cm;

stipules distinct throughout, 1.5–4.5 mm, papery-membranous at proximal nodes, herbaceous at distal nodes;

leaflets 9–15, blades linear-lanceolate or -oblanceolate, 5–20(–27) mm, apex rounded to retuse, surfaces strigose;

terminal leaflet usually longer than adjacent pair.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

3–12-flowered, flowers ascending-spreading;

axis 1–6 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0–2.

0.5–15 cm.

incurved-ascending, 3–9 cm.

1–3 mm.

1–3 mm.

18–26 mm;

calyx cylindric, 8.3–18 mm, villous, tube 6.5–13.5 mm, lobes subulate, 1.5–5.7 mm;

corolla often pink-purple, sometimes pale;

banner recurved through 40°;

keel concealing style, 14.6–18.6(–19) mm.

11.5–12 mm;

calyx campanulate, 5.5–6.8 mm, strigose, tube 3.5–4.5 mm, lobes subulate or triangular, 2–2.7 mm;

corolla ochroleucous, often tinged or lined with purple;

banner recurved through 90°;

keel 9.2–10.4 mm, apex slightly beaked.

ascending, brightly purple-mottled, usually curved, obliquely ovoid-oblong, dorsiventrally compressed, ventrally grooved proximally, 15–35 × 5.5–12 mm, unilocular, fleshy becoming somewhat woody, strigose or villosulous.

spreading or declined, stramineous or brownish with purple spots, straight, broadly and subsymmetrically ellipsoid, ovoid, or obovoid-ellipsoid, terete or somewhat dorsiventrally compressed, bladdery-inflated, 25–40 × 12–20 mm, papery, strigose;

stipe 0.7–1.5 mm.

24–30.

26–33.