Flora of North America species comparison

erect or ascending, branched.

erect or ascending, branched.

palmate;

stipules obovate or lanceolate, 1–2.5 cm, margins entire or toothed, apex long-acuminate;

petiole 1–21 cm;

petiolules 1 mm;

leaflets 3, blades usually obovate or ovate, rarely rhombic, 1–4 × 1–2.5 cm, base cuneate, veins prominent, margins sharply serrate, apex broadly acute, obtuse, or emarginate, surfaces glabrous.

palmate;

stipules obliquely ovate, 0.4–1.2 cm, margins entire, toothed, or lacerate, apex acuminate;

petiole 1–8 cm;

petiolules 0.5 mm;

leaflets 3, blades obovate or obcordate, 0.4–1.4 × 0.3–1.2 cm, base cuneate, veins fine, thickened distally, margins serrate, apex rounded or emarginate, surfaces villous or glabrous.

terminal or axillary, 10–70+-flowered, globose to subglobose, 1–2.5 × 1–2.5 cm, rachis not prolonged beyond flowers;

involucres absent.

axillary or terminal, 10–17-flowered, subglobose, 0.8–1.7 × 0.5–1.5 cm;

involucres cup-shaped, 0.5–1.5 cm, glabrous or sparsely hairy, lobes 8–12, ovate, conspicuously sharply toothed.

2–10 cm.

1.5–7.4 cm.

strongly reflexed, 2–3.5 mm;

bracteoles lanceolate, 1 mm.

absent;

bracteoles absent.

8–12 mm;

calyx campanulate, 3.5–4 mm, glabrous or sparsely hairy, veins 10, tube 1.5–2 mm, lobes unequal, lanceolate-subulate, orifice open;

corolla pale to dark pink, 7–10 mm, banner ovate-oblong, 6.5–10.5 × 4–6 mm, apex rounded-denticulate.

6–7 mm;

calyx tubular-campanulate, 3–4 mm, glabrous, veins 10, tube 2.5–3.5 mm, lobes ± equal, triangular, not or minutely aristate, conspicuously toothed, margins membranous, orifice open;

corolla pale pink or white, 6–9 mm, banner oblong, 6–9 × 2–3 mm, apex narrowly rounded or emarginate-mucronate.

stipitate, ellipsoid, 3–7 mm.

ovoid, 2–3 mm.

2–4, tan, brown, or red-brown, mitten-shaped, 1–1.4 mm, smooth, dull.

1 or 2, greenish, sometimes mottled, oblong, 1.5–2 mm, smooth.

= 16.

= 16.