Flora of North America species comparison

cespitose, spreading, branched proximally, sparsely branched distally.

usually erect, ascending, or prostrate, branched.

palmate;

stipules broadly obovate, 1–2 cm, fused at base, margins slightly lobed, apex acute;

petiole 2–6 cm;

petiolules 1–1.5 mm;

leaflets 3, blades ovate, obovate, or orbiculate, slightly overlapping, 1–2 × 0.7–2.3 cm, base truncate to rounded, veins prominent, margins sparsely dentate, apex rounded, emarginate, surfaces glabrous.

palmate;

stipules lanceolate or ovate, 0.3–1 cm, margins lacerate, apex acute to acuminate;

petiole 1–9 cm;

petiolules to 0.8 mm;

leaflets 3, blades elliptic, obovate, oblanceolate, or obcordate, 0.2–5 × 0.1–1.2 cm, base cuneate, veins thickened, margins denticulate, apex acute or retuse, surfaces glabrous.

terminal, 20–30-flowered, globose, usually formed of 2 sessile heads, 2.5–5 × 2.5–5 cm;

involucres absent.

terminal or axillary, 1–20+-flowered, subglobose or globose, 0.5–1.3 × 0.1–1 cm;

involucres flat, 2–6 mm, incised 1/2 their length, lobes 2–7, lacerate.

3–7 cm, surpassing subtending leaves.

0.5–5 cm.

erect, reflexed in proximalmost flowers, 1 mm;

bracteoles cuplike, 0.5 mm.

straight, to 0.5 mm;

bracteoles absent.

15–21 mm;

calyx tubular-campanulate, 9–12 mm, pilose, veins 10, tube 4.5–6 mm, lobes subequal, abaxialmost longest, subulate, orifice open;

corolla deep pink or magenta, 20–23 mm, banner tubular for most their length, 18–22 × 5–7 mm, apex flared.

5–11 mm;

calyx campanulate, not slit between adaxial lobes, 1.9–2.4 mm, glabrous, veins 10–20, tube 1.5–4 mm, lobes subequal, narrowly triangular, margins usually entire, rarely with a small lateral tooth, orifice open;

corolla purple, usually white-tipped, 3–10 mm, banner obovate, 3–10 × 0.6–2.6 mm, apex emarginate.

ellipsoid, 4–5 mm.

oblong or ellipsoid, 2–4 mm.

1 or 2, yellow-mottled, mitten-shaped, 2–3 mm, smooth.

2, blackish brown, sometimes mottled, ovoid or ellipsoid, 1–1.6 mm, smooth.

= 16.