Flora of North America species comparison

cespitose, spreading, branched proximally, sparsely branched distally.

erect, branched 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 linear, oblong, or ovate, 1.5–2.5 cm, margins entire or slightly serrulate, apex acute to acuminate;

petiole 1–20 cm;

petiolules to 0.5 mm;

leaflets 3, blades linear, elliptic, oblong, or lanceolate-elliptic, often folded, falcate, 4–11 × 0.1–1.6 cm, base cuneate, veins thickened, margins denticulate, apex acute or acuminate, surfaces villous.

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

involucres absent.

terminal, 70–80-flowered, spicate, ovoid to cylindric, 3–6 × 2.5–3 cm;

involucres absent.

3–7 cm, surpassing subtending leaves.

2–6 cm.

erect, reflexed in proximalmost flowers, 1 mm;

bracteoles cuplike, 0.5 mm.

erect or absent, 0–0.5 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.

17–18 mm;

calyx campanulate, 5 mm, villous, veins 20, tube 2.5 mm, lobes subequal, subulate, straight, orifice open;

corolla creamy white, keel petals crimson, 12–22 mm, banner oblong, 12–22 × 3–5 mm, apex acute;

ovaries glabrous or pubescent distally.

ellipsoid, 4–5 mm.

obovoid, 4–5 mm.

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

1–3, reddish brown or tan, ellipsoid, 1.8–2 mm, smooth, glossy.

= 32.