Flora of North America species comparison

obscured by stipules.

prostrate to ascending, 2–7 cm underground, strigulose-cinereous.

1.5–7.5 cm;

stipules 3–6.5 mm, membranous, pallid, with green midrib;

leaflets 3 or 5, blades oblanceolate, elliptic, or narrowly obovate, 5–17 mm, apex acute to subobtuse, surfaces strigose.

reduced to phyllodia or terminally expanded rachis, 2.5–13 cm;

stipules distinct throughout, 2–7 mm, papery at proximal nodes, firm at distal nodes;

leaflets (1 or)3–7, blades linear-filiform or linear-involute, continuous with rachis, 3–17 mm, apex acute, surfaces strigulose.

1–3-flowered, flowers ascending;

axis to 0.3 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0 or 1.

(3–)7–20(–35)-flowered, flowers declined or nodding;

axis 2–18(–33) cm in fruit;

bracts 1.2–2.6 mm;

bracteoles 0 or 2.

ascending, prostrate in fruit, 0.5–3.5 cm, mostly shorter than leaves.

ascending, 3.5–7.5 cm.

1.5–3 mm.

2–8 mm.

24.5–32 mm;

calyx cylindric, 12–17 mm, strigulose, hairs white, sometimes also black, tube 10.2–13 mm, lobes subulate, 1.8–3.5 mm;

corolla pink-purple or purple;

banner recurved through 40°;

keel 21.5–24.5 mm.

8–9 mm;

calyx campanulate, 4.6–6 mm, strigulose, tube 3.8–4.1 mm, lobes subulate or triangular-subulate, 0.8–1.9 mm;

corolla ochroleucous, immaculate;

banner recurved through 100–130°;

keel 8 mm, apex bluntly triangular.

ascending, stramineous, ± straight, obliquely lanceoloid-ellipsoid, dorsiventrally compressed, 20–35(–40) × 8–12 mm, unilocular, valves much less than 1 mm thick, thinly fleshy becoming leathery, strigulose, hairs appressed, 0.5–0.7 mm.

declined or pendulous, stramineous, straight or nearly so, narrowly lanceoloid-oblong, strongly laterally compressed, 25–40 × 4–5.5 mm, papery, strigulose;

sessile.

38–54.

14–18.