Flora of North America species comparison

erect, branched.

cespitose, prostrate, branched from crown.

palmate;

stipules lanceolate or ovate, 1–2 cm, margins dentate or lacerate, apex acuminate;

petiole 1–8 cm;

petiolules 0.5 mm;

leaflets 3, blades linear, lanceolate, or elliptic, 1–5 × 0.2–1.5 cm, base cuneate, veins fine, margins serrate, apex acute, blunt, or retuse, surfaces glabrous.

palmate;

stipules oblanceolate to ovate, 1–1.5 cm, margins entire, apex acute-acuminate;

petiole 5–10 cm;

petiolules to 1 mm;

leaflets 3, blades linear-elliptic, elliptic, narrowly oblong, or lanceolate, 1–7 × 0.4–1 cm, base cuneate, veins fine or thickened, margins entire or serrulate, apex truncate to acute, surfaces pubescent abaxially, glabrous adaxially.

axillary or terminal, 10–50-flowered, globose or ovoid, 1–3.5 × 1–3 cm;

involucres flattened or bowl-shaped, 3–9 mm, when folded, not hiding flowers except proximally, incised 1/4–1/3 their length.

terminal or axillary, 20–40-flowered, becoming supine in fruit, globose, 1.5–3.5 × 1.5–3 cm;

involucres absent.

2–15 cm.

2–6 cm.

erect, 0.5 mm;

bracteoles absent.

reflexed in fruit, 3–8 mm;

bracteoles ovate or lanceolate-linear, to 1 mm.

12–20 mm;

calyx tubular-campanulate, slit between adaxial lobes, 6–9 mm, glabrous, veins 10–15, tube 3–7 mm, lobes unequal, triangular or subulate, usually 3-fid or shouldered below apex, orifice open;

corolla usually white with purple spot, sometimes lavender or pink or all white, 10–18 mm, banner narrowly oblong, 12–20 × 3–4 mm, apex obtuse or retuse.

10–12 mm;

calyx campanulate, 4–7 mm, pilose, veins 10, tube 1.5–3 mm, lobes equal, subulate, orifice open;

corolla white, sometimes becoming pink to red, 10–12 mm, banner obovate-oblong, 10–12 × 4–5 mm, apex rounded, retuse or mucronate.

ellipsoid, 3 mm.

stipitate, obovoid, 4–7.5 mm.

1 or 2, yellow, mottled, globose-ellipsoid, 1.5–2.5 mm, smooth.

1, yellow-brown, mitten-shaped, 1.8–2.1 mm, rugose.

= 16.

= 16.