Flora of North America species comparison

prostrate, ascending, or erect, branched.

erect or ascending, branched.

palmate;

stipules ovate or triangular-lanceolate, 0.4–1.2 cm, margins entire, apex acute or acuminate;

petiole 0.5–7 cm;

petiolules to 1 mm;

leaflets 3, blades obovate, obcordate, or elliptic, 0.4–1.5 × 0.3–1 cm, base cuneate, veins moderately prominent, margins denticulate, apex rounded or emarginate, surfaces sparsely hairy abaxially, glabrous adaxially.

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.

axillary, 10–20-flowered, subglobose, soon becoming globose, flowers resupinate, calyces densely white-woolly, compacted, inflated, 0.5–1.5 × 0.5–1.5 cm;

involucres a narrow rim, 0.2 mm.

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

involucres floral bracts forming a small, scarious involucre.

0.5–1.5 cm.

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

slightly reflexed, to 0.5 mm;

bracteoles cup-shaped, membranous, 0.2 mm.

curved, 3–4 mm;

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

3–7 mm;

calyx tubular, inflated in fruit, markedly asymmetric-bilabiate, 2–6 mm, woolly adaxially, veins 5–10, connected by lateral veins, tube 1.5–2.5 mm, 4–5 mm in fruit, lobes unequal, subulate, shorter than tube, adaxial spreading or curved, orifice open, abruptly constricted in fruit;

corolla pink, 3–6 mm, banner ovate, 3–6 × 3–6 mm, apex emarginate to crenulate.

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.

ovoid to globose, 2–3 mm.

oblong-ovoid, 3–4 mm.

1 or 2, yellow to brown, mottled, mitten-shaped, 0.9–1.1 mm, smooth, glossy.

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

= 16.

= 16.