Flora of North America species comparison

erect or ascending, branched.

ascending, cespitose, branched.

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.

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.

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

involucres floral bracts forming a small, scarious involucre.

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.

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

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

curved, 3–4 mm;

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

strongly reflexed, 1–1.2 mm;

bracteoles minute, cuplike.

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.

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-ovoid, 3–4 mm.

ellipsoid, 3–4 mm.

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

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

= 16.