Flora of North America species comparison

erect, ascending, or decumbent, branched from base.

erect or ascending, branched.

palmate;

stipules lanceolate-ovate, 0.9–1.1 cm, margins entire, apex acute-acuminate, setaceous, ciliate;

petiole 0.5–5 cm;

petiolules 0.5 mm;

leaflets 3, blades obovate to oblong, 0.9–1.6 × 0.4–1 cm, base cuneate, veins fine, margins denticulate, apex obtuse, obcordate, or emarginate, surfaces hairy.

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.

axillary or terminal, solitary or paired, 20–60-flowered, ovoid or oblong, 0.8–1.6 × 0.6–1 cm;

involucres absent.

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

involucres absent.

0–1 cm.

0.5–2 cm.

absent;

bracteoles absent.

recurved in fruit, 1 mm;

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

5–7 mm;

calyx ellipsoid to urceolate, 3–4 mm, hairy, veins 10, tube 2–3 mm, lobes erect or spreading, unequal, abaxial longest and equal to tube, subulate, orifice open;

corolla pink, 25–35 mm, banner oblong, 2.5–3.5 × 1.5–2 mm, apex retuse.

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.

ovoid, leathery distally, transversely dehiscent, 2–2.5 mm.

ovoid-oblong, 4.2–5.5 mm.

1, tan or reddish brown, globose to ovoid, 1–1.5 mm, smooth, glossy.

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

= 14.

= 16.