Flora of North America species comparison

erect or ascending, branched.

erect or ascending, unbranched or several stems clumped from crown.

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 narrowly ovate, lanceolate, or linear-lanceolate, 1–2 cm, margins entire or toothed, apex acute;

petiole 0.5–20 cm;

petiolules 1 mm;

leaflets 3, blades usually rhombic, oblong, or elliptic, sometimes ovate, 2.5–5 × 0.6–2 cm, base cuneate, veins slightly thickened, margins setose-serrulate, apex obtuse or retuse, surfaces glaucous abaxially, glabrous.

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

involucres absent.

terminal or axillary, 30–70+-flowered, globose or ovoid becoming subglobose, 1.5–4 × 1.8–3.3 cm, rachis prolonged beyond flowers, undivided or forked, often bearing sterile flower buds distally;

involucres absent.

2–8 cm.

straight, thick, 5–25 cm.

erect, 1–1.5 mm;

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

strongly reflexed in fruit, 1–1.5 mm;

bracteoles minute.

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.

11–14 mm, sweetly fragrant;

calyx campanulate, gibbous, 4–6 mm, glabrous, veins 5, tube 2–3 mm, lobes unequal, narrowly triangular or subulate, orifice open;

corolla light purplish, sometimes with pink tips, 10–13 mm, banner straight, obovate to broadly elliptic, 13–18 × 6–8 mm, apex rounded or retuse, apiculate.

ovoid, 4–5 mm.

oblong, 5 mm.

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

2–4, reddish brown, flattened globose, 1.5–2 mm, smooth.

= 32, 48.

= 48.