Flora of North America species comparison

erect, branched from base and distally, or unbranched.

erect or ascending, branched.

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 oblong to ovate, 0.8–1 cm, margins slightly denticulate or entire, apex acute to acuminate;

petiole 1–5 cm;

petiolules to 1 mm;

leaflets 3, blades obovate, 0.7–1.4 × 0.3–0.8 cm, base broadly cuneate, veins thickened, recurved, margins slightly denticulate, apex rounded or retuse, surfaces pubescent abaxially, glabrous adaxially.

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, 5–15-flowered, globose or subglobose, 1–2 × 1.5–2 cm;

involucres floral bracts forming a small, scarious involucre.

5–15 cm.

geniculate proximal to flowers, inflorescence appearing inverted, 2.5–11 cm.

absent;

bracteoles cuplike, to 0.5 mm.

curved, 3–4 mm;

bracteoles broadly rhombic, membranous, to 0.5 mm, margins dentate.

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.

7–9 mm;

calyx campanulate, markedly bilabiate, venation strongly reticulate, 5–6 mm, sparsely pilose marginally, veins 5, reticulate in lobes, tube 0.7–1 mm, lobes unequal, abaxial 3 triangular-ovate, 2–3 mm, central abaxial lobe nearly linear, pubescent only along margins, adaxial 2 obovate, 5 mm, orifice open;

corolla white, tinged with pink or lavender, darkening in age, 6–8 mm, banner broadly ovate, 6–8 × 5–6 mm, apex rounded, denticulate.

obovoid, 4 mm.

oblong-ovoid, 3–4 mm.

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

2–6, yellow, globose to mitten-shaped, 1.1–1.6 mm, rugose.

= 16.