Flora of North America species comparison

erect, branched.

procumbent, ascending, or erect, branched.

palmate;

stipules ovate-lanceolate, 1–1.5 cm, margins entire, sometimes ciliate, apex acuminate;

petiole 1–13 cm;

petiolules 0.5 mm;

leaflets 3, blades elliptic to oblong or obovate, 0.8–3.5 × 0.5–1.5 cm, base cuneate, veins thickened, margins serrate proximally, obscurely denticulate distally, apex usually rounded or retuse, rarely acute, surfaces glabrous.

palmate;

stipules obovate-lanceolate, 0.5–0.8 cm, margins entire, apex subulate or cuspidate;

petiole 4–10 cm;

petiolules 0.5 mm;

leaflets 3, blades obcordate or obovate, 0.6–1 × 0.4–0.6 cm, base cuneate, veins fine, margins finely serrate, apex truncate or emarginate, surfaces glabrous.

axillary or terminal, 10–30-flowered, ovoid to subglobose, 0.7–2.2 × 0.5–2 cm;

involucres a narrow rim, 0.5 mm, membranous, dentate.

axillary, 1–5-flowered, loose, oblong, 0.5–1.2 × 0.1–0.5 cm;

involucres absent or bracteoles shallow, cuplike, ± equaling pedicels.

2.5–12 cm.

0.5–2 cm.

erect becoming reflexed, 0.5–6 mm;

bracteoles linear or cup-shaped, to 1 mm.

straight or slightly reflexed, 1–3 mm;

bracteoles lanceolate, 1 mm.

6–13 mm;

calyx broadly campanulate, 5–11 mm, glabrous, veins 10, tube 1–5 mm, lobes unequal, elliptic to linear, margins hyaline, dentate or pectinate, ciliate, sinuses narrow, orifice open;

corolla white, pink, or purple, 5–13 mm, banner broadly ovate, 6–13 × 4–7 mm, apex rounded, apiculate.

5–10 mm;

calyx campanulate, 4–4.5 mm, glabrous, veins 10, tube 2.5–3 mm, lobes unequal, triangular, orifice open;

corolla pink or white, 5–9 mm, banner oblong, 5–9 × 2–3 mm, apex rounded.

short-stipitate, ovoid, 5–10 mm.

stipitate, ellipsoid-oblong, 6–10 mm.

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

4–9, black or dark brown, ellipsoid-globose, 1–1.5 mm, smooth, glossy.

= 16.

= 16.