Flora of North America species comparison

erect or ascending, unbranched or branched.

ascending, cespitose, branched.

palmate;

stipules broadly ovate, 1–2.5 cm, margins entire or denticulate, apex acute or acuminate;

petiole 1–10 cm (distalmost 0.3–3.5 cm);

petiolules 0.5–1.5 mm;

leaflets 3, blades ovate, obovate, oblong, or rhombic, 1–4.5 × 0.7–2 cm, base cuneate, veins fine, margins dentate to denticulate, apex broadly acute, rounded, or emarginate, surfaces pubescent or glabrous.

palmate;

stipules ovate or lanceolate, 0.6–1.5 cm, margins entire, apex acute;

petiole 1–7 cm;

petiolules to 1 mm;

leaflets 3, blades obcordate, obovate, or elliptic, 1–1.9 × 0.5–1.1 cm, base cuneate, veins fine to slightly thickened, margins setose, apex obtuse, rounded, or emarginate, apiculate, surfaces glabrous.

terminal or axillary, 10–50-flowered, globose to subglobose, 1.5–4 × 2–4 cm;

bracteoles forming shallow, membranous cups, to 0.5 mm.

terminal, 12–30-flowered, ovoid, 1–2 × 1.5–3 cm, rachis prolonged beyond flowers, undivided or forked, often bearing sterile flower buds distally;

involucres absent.

2–8 cm.

slender, bent distally, just below flowers, 5–20 cm.

reflexed in fruit, 5–12 mm;

bracteoles broad-obovate, membranous, 0.5–1 mm, truncate to 2-fid.

strongly reflexed, 1–1.2 mm;

bracteoles minute, cuplike.

10–15 mm;

calyx campanulate, 6–9 mm, pilose or glabrous, veins 10, tube 1–1.5 mm, lobes equal, narrowly triangular to subulate, 3–7 mm, margins green, sinuses broad, orifice open;

corolla usually pink, magenta, or creamy white, sometimes bicolored, 9–14 mm, banner obovate-oblong, 9–14 × 5–8 mm, apex rounded or retuse, often erose-denticulate.

12–14 mm;

calyx deep violet, campanulate, gibbous, 3–5 mm, glabrous, veins 5, tube 1.5–2 mm, lobes unequal, triangular-subulate, orifice open;

corolla lavender to purplish, 11–12 mm, banner curved, oblanceolate, 10–12 × 3–4 mm, apex narrow, rounded, slightly emarginate.

oblong, 4–5 mm.

ellipsoid, 3–4 mm.

1–6, yellow to brown, purple-mottled, globose, 1.2–1.5 mm, slightly rugose.

1 or 2, brown, ellipsoid, 1.2–1.5 mm, smooth.

= 16.