Flora of North America species comparison

erect or ascending, branched.

procumbent or erect, branched.

palmate;

stipules ovate, obovate, or oblong, 1–3 cm, margins entire, irregularly lobed, or serrate, apex acute or acuminate;

petiole 1–14 cm;

petiolules 0.9–1.2 mm;

leaflets (5–)7–9, blades broadly to narrowly obovate, often folded, 1–2.7 × 0.4–1.1 cm, base cuneate, veins thickened, especially distally, margins serrulate, apex rounded or truncate, apiculate, surfaces villous abaxially, sparsely villous to glabrate adaxially.

palmate;

stipules ovate, 0.3–0.5 cm, margins entire, apex acuminate-subulate;

petiole 1–6 cm;

petiolules to 0.5 mm;

leaflets 3, blades obovate or obcordate, 0.3–0.8 × 0.2–0.6 cm, base cuneate, veins prominent adaxially, margins finely toothed, apex truncate or retuse, surfaces glabrous or sparsely hairy.

terminal, 20–32-flowered, globose or ovoid-ellipsoid, 2.5–8 × 3–7 cm;

involucres absent.

axillary, 10–20-flowered, dense, globose, 0.5–0.8 × 0.5–0.8 cm;

involucres absent, stipules forming involucrelike structures, overtopping inflorescences.

2–8 cm.

essentially absent.

erect, 1–1.5 mm;

bracteoles broadly ovate, membranous, to 0.5 mm, truncate.

straight, 0.1 mm;

bracteoles triangular, membranous, 0.5–1.2 mm, apiculate.

20–30 mm;

calyx campanulate, 10–22 mm, villous, veins 10–15, tube 2.5–4 mm, lobes subequal, subulate, plumose, orifice open;

corolla white, creamy white, or pinkish, keel petals deep pink, 20–28 mm, banner ovate or oblong, 20–28 × 10–13 mm, apex rounded or slightly emarginate.

3–5 mm;

calyx tubular, 3–5 mm, slightly hairy or glabrous, veins 10, tube 2–3 mm, lobes subequal, lanceolate, curved in fruit, orifice open;

corolla white, 2.5–3.5 mm, banner obovate, 2.5–3.5 × 1 mm, apex acute.

ovoid, 4–5 mm.

ovoid-ellipsoid, 3–5 mm.

1 or 2, yellow or reddish, mitten-shaped to ellipsoid, 2.5–3 mm, smooth.

2, yellow, lenticular or reniform, 0.8–1 mm, minutely papillate.

= 32, 48.

= 16.