Flora of North America species comparison

erect, branched.

prostrate, ascending, or 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 triangular-lanceolate, 0.9–1 cm, margins entire, apex long-acuminate, reflexing;

petiole 1–10 cm;

petiolules to 1 mm;

leaflets 3, blades obovate or obcordate, 0.4–1.5 × 0.4–1 cm, base cuneate, veins prominent, recurved, margins coarsely dentate, apex rounded, truncate, or emarginate, 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, 8–20-flowered, depressed-globose, 0.9–1.1 × 0.8–1 cm;

involucres absent.

3–8 cm.

0.6–1.5 cm, becoming shorter distally.

reflexed in fruit, 1–3 mm;

bracteoles broadly triangular, membranous, to 0.5 mm.

reflexed in fruit, 0.5–2 mm;

bracteoles lanceolate, 1 mm.

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.

4–5.5 mm;

calyx tubular-campanulate, 4 mm, glabrous, veins 10, tube 2–2.2 mm, lobes subequal, triangular-subulate, margins green, pink, or purple, orifice open;

corolla pink, 4–5 mm, banner obovate, 4–5 × 1–2 mm, apex deeply emarginate.

stipitate, obovoid, 3–4 mm.

ovoid-ellipsoid, 4 mm.

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

1–4, yellow, ovoid, 0.8–1 mm, minutely papillate.

= 16.

= 16.