Flora of North America species comparison

erect or ascending, branched.

ascending, cespitose, 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.

mostly basal, palmate;

stipules ovate, 1 cm, margins entire, apex blunt;

petiole 2–6 cm;

petiolules to 1 mm;

leaflets 3, blades obovate or rhombic, 0.6–1.3 × 0.6–1 cm, base cuneate, veins prominent, margins denticulate, apex rounded or retuse, apiculate, surfaces pale abaxially, glabrous.

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

involucres absent.

terminal or axillary, 8–15-flowered, appearing turned to one side, obconic, 1.3–1.8 × 1.1–2.5 cm, rachis prolonged beyond flowers, undivided or forked, often bearing sterile flower buds distally;

involucres absent.

2–8 cm.

curved distally proximal to flowers, 3–9 cm.

erect, 1–1.5 mm;

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

reflexed, 1–1.2 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.

10–13 mm;

calyx purple, campanulate, 5–6 mm, glabrous, veins 10, tube 3.5 mm, lobes equal, subulate, 2 mm, orifice open;

corolla purple, often with white tips, 15 mm, banner obovate, 11–13 × 5–6 mm, apex flared.

ovoid, 4–5 mm.

not seen.

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

not seen.

= 32, 48.