Flora of North America species comparison

cespitose, spreading, branched proximally, sparsely branched distally.

erect, branched from base and distally, or unbranched.

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 ovate or elliptic, 0.3–1 cm, margins entire, ciliate, apex acuminate;

petiole 0.5–6.5 cm;

petiolules 0.5–0.7 mm;

leaflets 3, blades obovate or oblanceolate, 0.5–1.5 × 0.2–1.1 cm, base cuneate, veins obscure or slightly thickened, margins dentate, apex rounded or emarginate, surfaces pilose or glabrescent.

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

involucres absent.

terminal or axillary, 15–35-flowered, ovoid-ellipsoid, 1.1–2.2 × 1–1.5 cm;

involucres absent.

3–7 cm, surpassing subtending leaves.

2.5–10 cm.

erect, reflexed in proximalmost flowers, 1 mm;

bracteoles cuplike, 0.5 mm.

absent;

bracteoles cuplike, to 0.5 mm.

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.

10–12 mm;

calyx tubular, 4–8 mm, densely pubescent, veins 20–30, tube 2–4 mm, lobes nearly equal, appearing rigidly erect, linear-setaceous, plumose, sinuses acute, orifice open;

corolla red-violet to pink, with pink or white tips, 7–12 mm, banner ovate-oblong, 9–11 × 3–4 mm, apex broadly rounded, emarginate.

ellipsoid, 4–5 mm.

obovoid, 3–3.5 mm.

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

1, yellow-brown, ellipsoid, 2–2.5 mm, smooth.