Flora of North America species comparison

erect, branched.

erect or ascending, branched.

palmate;

stipules ovate-lanceolate, 1–1.5 cm, margins entire, sometimes ciliate, apex acuminate;

petiole 1–13 cm;

petiolules 0.5 mm;

leaflets 3, blades elliptic to oblong or obovate, 0.8–3.5 × 0.5–1.5 cm, base cuneate, veins thickened, margins serrate proximally, obscurely denticulate distally, apex usually rounded or retuse, rarely acute, surfaces glabrous.

palmate;

stipules lanceolate to narrowly ovate, 0.3–1 cm, margins entire, apex long-acuminate;

petiole 0.3–4 cm;

petiolules 0.5 mm;

leaflets 3, blades obovate to obcordate, 0.3–1.5 × 0.3–1.2 cm, base cuneate, veins thickened, recurved, margins dentate, apex obtuse or emarginate, surfaces sparsely hairy abaxially, glabrous adaxially.

axillary or terminal, 10–30-flowered, ovoid to subglobose, 0.7–2.2 × 0.5–2 cm;

involucres a narrow rim, 0.5 mm, membranous, dentate.

axillary, 5–25-flowered, globose, 1.3–1.5 × 1.3–1.5 cm;

involucres absent.

2.5–12 cm.

geniculate proximal to flowers, inflorescence appearing inverted, 3–5 cm.

erect becoming reflexed, 0.5–6 mm;

bracteoles linear or cup-shaped, to 1 mm.

strongly reflexed in fruit, 2–3 mm;

bracteoles minute.

6–13 mm;

calyx broadly campanulate, 5–11 mm, glabrous, veins 10, tube 1–5 mm, lobes unequal, elliptic to linear, margins hyaline, dentate or pectinate, ciliate, sinuses narrow, orifice open;

corolla white, pink, or purple, 5–13 mm, banner broadly ovate, 6–13 × 4–7 mm, apex rounded, apiculate.

11–13 mm;

calyx tubular, 6–8 mm, pilose or glabrous, veins 10, tube 1.5–2 mm, lobes subequal, subulate, orifice open;

corolla rose-pink or creamy white, 6–10 mm, banner ovate-oblong, 6–10 × 3 mm, equaling wing and keel petals, apex rounded or emarginate.

short-stipitate, ovoid, 5–10 mm.

short-stipitate, ovoid-ellipsoid, 7–10 mm.

1 or 2, brown, mottled, ovoid, 2.5–3 mm, smooth.

1 or 2, brown, ovoid-ellipsoid, 2.5–3 mm, smooth.

= 16.

= 16.