Flora of North America species comparison

erect or ascending, branched.

creeping, branched, rooting at nodes.

palmate;

stipules linear-lanceolate, 1–3.5 cm, margins entire, apex subulate or setaceous;

petiole 0.5–10 cm;

petiolules 1 mm;

leaflet 3, blades obovate to oblong, elliptic or lanceolate, 0.5–4 × 0.5–1.5 cm, base cuneate, veins prominent, thickened, margins spinulose-denticulate, apex apiculate, surfaces glabrous.

palmate;

stipules lanceolate or ovate, 0.5–1 cm, margins entire or shallowly lobed, apex acute to cuspidate;

petiole 3–13(–25) cm;

petiolules 1 mm;

leaflets 3, blades obovate, rhombic, or elliptic, 1–1.9 × 0.8–1.2 cm, base cuneate, veins prominent, margins minutely denticulate or entire, apex rounded, emarginate, surfaces glabrous or sparsely hairy.

terminal or axillary, 50–100+-flowered, globose, ovoid, or oblong, 3–6 × 2–3.5 cm;

involucres absent.

terminal, 25–50-flowered, globose, 1.8–2.2 × 1.8–2.2 cm;

involucres absent.

1–12 cm.

1 or 2 from end of stolon at ground-level, 10–12 cm.

absent;

bracteoles lanceolate, 6–7 mm, acuminate.

reflexed in fruit, 2–3 mm;

bracteoles triangular-acuminate, 0.5–1.5 mm.

12–16 mm;

calyx urceolate, not bilabiate, inflated in fruit, 6–10 mm, glabrous, veins 20–36, connected by transverse veins in fruit, tube 3–5 mm, lobes reflexed, subequal, subulate, as long as tube, orifice constricted;

corolla white becoming pink, 12–15 mm, banner ovate, broadly clawed, striate, 12–15 × 2–4 mm, apex acute-acuminate.

9–11 mm;

calyx campanulate, 4.5–5.5 mm, sparsely puberulent, veins 10, tube 2 mm, lobes equal, narrowly triangular to subulate, orifice open;

corolla white, veins often reddish, 8–9 mm, banner obovate-oblong, 9–11 × 5–6 mm, apex rounded, retuse.

ellipsoid, 2.5–2.5 mm, shorter than calyx.

stipitate, ellipsoid, 2–3.5 mm.

2 or 3, brown, ovoid, 1–1.5 mm, roughened.

1 or 2, light brown, mitten-shaped, 1.1–1.5 mm, smooth.

= 16.

= 16.