Flora of North America species comparison

cespitose, spreading, branched proximally, sparsely branched distally.

erect or ascending, 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 to narrowly ovate, 0.3–1 cm, margins entire, apex long-acuminate;

petiole 0.3–4 cm;

petiolules 0.5 mm;

leaflets 3, blades obovate to obcordate, 0.3–1.5 × 0.3–1.2 cm, base cuneate, veins thickened, recurved, margins dentate, apex obtuse or emarginate, surfaces sparsely hairy abaxially, glabrous adaxially.

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, 1.3–1.5 × 1.3–1.5 cm;

involucres absent.

3–7 cm, surpassing subtending leaves.

geniculate proximal to flowers, inflorescence appearing inverted, 3–5 cm.

erect, reflexed in proximalmost flowers, 1 mm;

bracteoles cuplike, 0.5 mm.

strongly reflexed in fruit, 2–3 mm;

bracteoles minute.

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.

11–13 mm;

calyx tubular, 6–8 mm, pilose or glabrous, veins 10, tube 1.5–2 mm, lobes subequal, subulate, orifice open;

corolla rose-pink or creamy white, 6–10 mm, banner ovate-oblong, 6–10 × 3 mm, equaling wing and keel petals, apex rounded or emarginate.

ellipsoid, 4–5 mm.

short-stipitate, ovoid-ellipsoid, 7–10 mm.

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

1 or 2, brown, ovoid-ellipsoid, 2.5–3 mm, smooth.

= 16.