Flora of North America species comparison

erect or ascending, branched.

erect or ascending, branched.

palmate;

stipules obovate or lanceolate, 1–2.5 cm, margins entire or toothed, apex long-acuminate;

petiole 1–21 cm;

petiolules 1 mm;

leaflets 3, blades usually obovate or ovate, rarely rhombic, 1–4 × 1–2.5 cm, base cuneate, veins prominent, margins sharply serrate, apex broadly acute, obtuse, 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.

terminal or axillary, 10–70+-flowered, globose to subglobose, 1–2.5 × 1–2.5 cm, rachis not prolonged beyond flowers;

involucres absent.

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

involucres absent.

2–10 cm.

0.5–2 cm.

strongly reflexed, 2–3.5 mm;

bracteoles lanceolate, 1 mm.

recurved in fruit, 1 mm;

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

8–12 mm;

calyx campanulate, 3.5–4 mm, glabrous or sparsely hairy, veins 10, tube 1.5–2 mm, lobes unequal, lanceolate-subulate, orifice open;

corolla pale to dark pink, 7–10 mm, banner ovate-oblong, 6.5–10.5 × 4–6 mm, apex rounded-denticulate.

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, 3–7 mm.

ovoid-oblong, 4.2–5.5 mm.

2–4, tan, brown, or red-brown, mitten-shaped, 1–1.4 mm, smooth, dull.

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

= 16.

= 16.