Flora of North America species comparison

erect or ascending, branched.

erect, 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 lanceolate, 0.8–1.5 cm, margins entire or slightly lacerate, apex acuminate;

petiole 1.6–2.4 cm;

petiolules 0.5 mm;

leaflets 3, blades obovate, oblanceolate, or elliptic, 0.8–3 × 0.5–0.7 cm, base cuneate, veins fine or thickened distally, margins finely serrulate, apex acute, mucronate, or retuse, surfaces glabrous.

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

involucres absent.

usually terminal, sometimes axillary, 30–50-flowered, subglobose, 1.2–1.8 × 1.5–2 cm;

involucres shallowly bowl-shaped, 18–22 mm, deeply incised, lobes slender, irregular or bifurcate.

2–8 cm.

2.8–3.4 cm.

erect, 1–1.5 mm;

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

straight, 0.5–0.8 mm;

bracteoles linear, 1–2 mm.

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.

10–13 mm;

calyx tubular, 0.5–0.6 mm, glabrous, veins 10, tube 2 mm, lobes ± equal, 3–4 mm, orifice open;

corolla white to purple, 9–12 mm, banner oblong, 7–12 × 2–3 mm, apex retuse.

ovoid, 4–5 mm.

oblong, 2–4 mm.

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

2–4, brown, subglobose or mitten-shaped, 1.5 mm, smooth.

= 32, 48.