Flora of North America species comparison

erect, branched from base and distally, or unbranched.

cespitose, branched, numerous short stems.

palmate;

stipules ovate-oblong, 0.5–1.8 cm, margins entire, toothed, or irregularly lobed, apex acuminate;

petiole 0.5–10 cm;

petiolules to 1 mm;

leaflets 3, blades broadly obovate or elliptic, 1.7–3.3 × 1.1–2 cm, base cuneate, veins fine, margins entire or denticulate, apex rounded, obtuse, or retuse, surfaces pilose, abaxial less so.

palmate;

stipules lanceolate-linear, 1.5–2 cm, margins entire, apex acuminate;

petiole 0.6–3.5 cm;

petiolules to 0.5 mm;

leaflets 3, blades oblong-elliptic, oblanceolate, or obovate, sometimes folded, 0.6–3.2 × 0.2–0.6 cm, base cuneate, veins obscure, margins entire, apex acute, surfaces glabrous or hairy.

terminal or axillary, 30–50-flowered, bluntly conic, ellipsoid, globose, or subglobose, 1.5–3 × 1.5–2.5 cm;

involucres absent.

axillary or terminal, 5–16-flowered, globose, 1.5–3.5 × 1.2–3.3 cm;

involucres formed of proximal bracteoles, bases sometimes connate.

5–15 cm.

2–17 cm.

absent;

bracteoles cuplike, to 0.5 mm.

erect, 1.5–2 mm;

bracteoles linear-lanceolate, scarious, 2–6 mm, or scalelike.

13–16 mm;

calyx tubular, 9–12 mm, pubescent, veins 20–30, tube 3 mm, lobes nearly equal, appearing rigidly erect, linear-setaceous, plumose, sinuses acute, orifice open;

corolla white to pink with purple tips, 12–16 mm, banner ovate-oblong, 12–15 × 4 mm, apex broadly rounded, emarginate.

12–16 mm;

calyx campanulate, 6–9 mm, pubescent, veins 10, tube 2–5 mm, lobes unequal, linear-subulate, orifice open;

corolla often bicolored cream and violet, sometimes all red-purple or violet, 1.2–1.6 mm, banner broadly elliptic-ovate, 11–15 × 4–5 mm, folded distally, apex rounded, apiculate;

ovaries pubescent distally.

obovoid, 4 mm.

oblong, 4–6 mm.

1, dark brown, ellipsoid, 2–3 mm, smooth.

1–3, dark brown, ovoid-reniform, 2–2.5 mm, smooth.

= 16.