Flora of North America species comparison

decumbent to ascending or erect, slightly branched.

erect, branched.

palmate;

stipules whitish with prominent green veins, ovate, 0.3–0.5 cm, margins lacerate, apex acute to acuminate;

petiole 1–2.4 cm;

petiolules to 0.5 mm;

leaflets 3, blades obovate to elliptic, 0.6–1.5 × 0.3–0.8 cm, base cuneate, veins ± thickened distally, margins denticulate, sometimes entire proximally, apex rounded, acute, or retuse, surfaces glabrous.

palmate;

stipules lanceolate, 3–4 cm, margins entire, apex acuminate;

petiole 5–20 cm;

petiolules to 1 mm;

leaflets 5–7, blades linear, linear-elliptic, linear-lanceolate, often folded, falcate, 2–7 × 0.2–0.6 cm, base cuneate, veins thickened, margins setose, apex acute-setiform, surfaces pubescent.

terminal or axillary, 15–20-flowered (early inflorescences hidden in stipules, subsessile, 2–5-flowered, flowers cleistogamous), subglobose, 0.5–0.8 × 0.6–0.8 cm;

involucres flattened or shallowly bowl-shaped, 6–8 mm, when folded, nearly hiding calyces, glabrous or sparsely hairy, lobes 4 or 5, ± parallel-sided, 3 or 4-toothed.

terminal, 60-flowered, in 10–12 whorls, globose or ovoid to subglobose, 3–5 × 3–4 cm;

involucres absent.

1–3.5 cm.

10–15 cm.

straight, to 0.5 mm;

bracteoles absent.

reflexed in fruit, 1–1.5 mm;

bracteoles minute.

7–8 mm;

calyx tubular, 4–5 mm, glabrous, veins 10, tube 2–2.5 mm, lobes subequal, triangular, margins conspicuously 2 or 3-toothed, apex aristate, orifice open;

corolla pale pink or white, 6–7 mm, banner oblong, 5–7 × 1 mm, apex emarginate or erose.

20–23 mm;

calyx campanulate, 6–8 mm, slightly pilose, veins 10–15, tube 2.5–3 mm, lobes equal, subulate, slightly pilose, orifice open;

corolla rose-pink to purple, 18–22 mm, banner oblong, folded, 18–22 × 11–13 mm, apex rounded.

ovoid, 2.5 mm.

flattened, lanceoloid-oblong, 6 mm.

1, dark brown, slightly mottled, ovoid, 2 mm, smooth.

1 or 2, yellow, often mottled, mitten-shaped, 2.8–3 mm, smooth, glossy.

= 16.