Flora of North America species comparison

procumbent, ascending, or erect, branched.

erect or ascending, branched.

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.

palmate;

stipules triangular-lanceolate, 0.7–1.5 cm, margins entire, apex stramineous, subulate;

petiole 1.5–5 cm;

petiolules 1 mm;

leaflets 3, blades obovate, oblong, or elliptic, 0.8–1.8 × 0.4–0.9 cm, base cuneate, veins prominent, margins dentate-spinulose, apex rounded to emarginate, surfaces glabrous.

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

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

axillary, 15–30-flowered, globose, 0.8–1 × 0.8–1 cm;

involucres absent.

0.5–2 cm.

0.5–2 cm.

straight or slightly reflexed, 1–3 mm;

bracteoles lanceolate, 1 mm.

recurved in fruit, 1 mm;

bracteoles folded, linear-subulate, 4–5 mm.

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.

4–5 mm;

calyx obconic, 4–5 mm, glabrous, veins 10, tube 1.3–2.1 mm, lobes unequal, longer than tube, subulate, recurved in fruit, orifice open;

corolla white or pink, 3.2–4.5 mm, banner ovate, 3–4 × 1–2 mm, apex acute to rounded, entire to slightly erose distally.

stipitate, ellipsoid-oblong, 6–10 mm.

ovoid-oblong, 4.2–5.5 mm.

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

2, brown, ovoid-reniform, 1 mm, minutely granulose.

= 16.

= 16.