Flora of North America species comparison

erect or ascending, branched.

erect or ascending, loosely cespitose, sometimes rhizomatous, sparsely 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 oblong, 0.5–2 cm, margins entire, apex acute to short-acuminate;

petiole 2–10 cm;

petiolules 0.5 mm;

leaflets 3, blades elliptic to obovate, 1–4.1 × 0.5–1.6 cm, base cuneate, veins fine, margins entire, serrulate, or dentate, apex usually acute or obtuse, rarely retuse or apiculate, surfaces glabrous.

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

involucres absent.

terminal, 15–20-flowered, globose, ovoid, or ellipsoid, 1.4–3.7 × 1.8–3 cm;

involucres formed of distinct or connate bracteoles, apex acute or obtuse.

2–8 cm.

2.5–15 cm.

erect, 1–1.5 mm;

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

erect, reflexed slightly, or only those of proximal flowers reflexed, 1 mm;

bracteoles purplish, oblong, 3–6 mm, scarious.

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.

12–22 mm;

calyx campanulate, slightly gibbous, 6–9 mm, glabrous, veins 10, tube 3–4 mm, lobes unequal, subulate to narrowly triangular, orifice open;

corolla pale purplish violet, keel petals darker purple, 10–22 mm, banner broadly elliptic or obovate, 10–22 × 8–10 mm, apex rounded, acute, or retuse.

ovoid, 4–5 mm.

stipitate, oblong, 6–7 mm.

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

1–4, tan or brown, mitten-shaped, 1.5–2 mm, smooth, dull.

= 32, 48.