Flora of North America species comparison

cespitose, spreading, branched proximally, sparsely branched distally.

erect, aerial stems sparsely 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, 0.7–1.5 cm, margins coarsely spinulose-dentate, apex acuminate;

petiole 1–3 cm;

petiolules to 0.5 mm;

leaflets 3, blades obovate, rhombic, or elliptic, sometimes folded, 0.9–1.5 × 0.5–1.3 cm, base cuneate, veins very thick, margins coarsely spinulose-dentate, apex rounded, long-apiculate, surfaces canescent.

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

involucres absent.

axillary, 5–25-flowered, globose, 2.2–2.5 × 2.3–2.7 cm;

involucres a narrow, papery, irregular rim, to 0.5 mm.

3–7 cm, surpassing subtending leaves.

2–4.5 cm.

erect, reflexed in proximalmost flowers, 1 mm;

bracteoles cuplike, 0.5 mm.

reflexed in fruit, 1.5–4 mm;

bracteoles triangular, to 0.2 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.

11–15 mm;

calyx campanulate, 5–11 mm, pilose, veins 10, tube 1.8–2.2 mm, lobes subequal, lanceolate-setiform, orifice open;

corolla creamy white with purplish veins, becoming pinkish purple-tinged, 10.5–13 mm, banner broadly rhombic-ovate or obovate, 10.5–13 × 5–7 mm, apex rounded, slightly emarginate.

ellipsoid, 4–5 mm.

ovoid, 3–4 mm.

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

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