Flora of North America species comparison

procumbent, ascending, or erect, branched.

ascending, erect, or procumbent, 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 lanceolate or ovate, 0.5–1.8 cm, margins entire, apex acuminate-filiform;

petiole 0.5–20 cm;

petiolules to 1 mm;

leaflets 3, blades obovate, ovate, elliptic, or rhombic, 1–3 × 0.5–3 cm, base cuneate, veins moderately prominent, margins spinulose-dentate, apex rounded or broadly acute, surfaces hairy abaxially, glabrous adaxially.

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, subglobose to globose, flowers resupinate, forming stellate-spreading clusters in fruit, 0.5–1.6 × 0.8–1.5 cm;

involucres a narrow rim, 0.2 mm.

0.5–2 cm.

1–6 cm.

straight or slightly reflexed, 1–3 mm;

bracteoles lanceolate, 1 mm.

slightly reflexed, to 0.5 mm;

bracteoles minute or absent.

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.

5–6 mm;

calyx tubular-campanulate, inflated in fruit, markedly asymmetric-bilabiate, slit between adaxial lobes, 2.5–3 mm, 8–11 mm in fruit, hairy, short-hairy or glabrescent in fruit, veins 10, connected by lateral veins, tube 2 mm, 7–9 mm in fruit, lobes green, erect, unequal, triangular, divergent, linear-lanceolate, unequal in fruit, orifice open;

corolla pink to purple, 5–8 mm, banner oblong, 5–8 × 2 mm, apex emarginate to crenulate.

stipitate, ellipsoid-oblong, 6–10 mm.

lenticular, 1.8–2.2 mm.

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

1, ovoid, dark purple, olive green, yellow, or reddish brown, 1.5–1.9 mm, smooth, dull.

= 16.

= 14, 16, 32.