Flora of North America species comparison

erect, branched.

erect, branched.

palmate;

stipules ovate to lanceolate, 0.8–1.5 cm, margins entire or slightly serrate, apex acicular;

petiole 1–7 cm;

petiolules to 0.5 mm;

leaflets 3, blades narrowly obcordate, obovate, oblanceolate, or linear, 1–2.5 × 0.3–0.7 cm, base cuneate, veins moderately thickened, margins serrate distally or entire, apex rounded, truncate, shallowly to deeply retuse, or deeply 2-fid, surfaces glabrous or hairy abaxially along midvein.

palmate;

stipules ovate to lanceolate, 0.6–1.2 cm, margins entire, toothed, or lacerate, apex acute or aristate;

petiole 1–10 cm;

petiolules to 0.5 mm;

leaflets 3, blades obovate, elliptic, or oblanceolate, 0.5–2.5 × 0.3–1.5 cm, base cuneate, veins prominent, green, margins finely toothed, apex rounded, blunt, or retuse, surfaces glabrous.

axillary or terminal, 5–30-flowered, globose to subglobose, 0.8–1.5 × 0.8–1.5 cm, rachis prolonged beyond flowers;

involucres a very narrow rim, to 0.5 mm.

axillary or terminal, 1–35-flowered, subglobose or ovoid, 0.5–1.8 × 0.5–2 cm;

involucres broadly bowl-shaped, 4–22 mm, shallowly incised, lobes 3–15, toothed, broad, acute.

3–8 cm.

1–8 cm.

reflexed in fruit, 1–3 mm;

bracteoles broadly triangular, membranous, to 0.5 mm.

straight, 0.1–0.2 mm;

bracteoles absent.

6–8 mm;

calyx campanulate, 3–3.6 mm, slightly hairy or glabrous, veins 10, tube 1–1.5 mm, lobes unequal, subulate, margins green or purple, orifice open;

corolla pink or purple, 5–7 mm, banner elliptic to oblong, 5–7 × 3–4 mm, apex rounded, apiculate.

7–15 mm;

calyx campanulate, inflated in fruit, 6–13 mm, glabrous, veins 13–20, tube 3–7 mm, lobes unequal, strongly oblique, broadly triangular, apex setaceous, adaxial unbranched, abaxial and lateral conspicuously 2- or 3-fid, segments glabrous, sometimes flattened, orifice open;

corolla usually creamy white or rose to pink, sometimes whitish with pinkish tips, 6–13 mm, banner obovate or elliptic, proximally inflated in fruit, distally narrowed into twisted tip, 6–13 × 3–6 mm, apex rounded to broadly acute.

stipitate, obovoid, 3–4 mm.

ellipsoid, 2.5–3 mm.

1 or 2, brown, mottled, oblong, 2–3 mm, smooth.

1 or 2, yellow-brown, ovoid, 0.4–0.6 mm, smooth.

= 16.

= 16.