Flora of North America species comparison

erect to prostrate, branched from base.

cespitose, acaulescent.

pinnate;

stipules ovate, 0.3–0.5 cm, margins entire, apex acute;

petiole to 1.5 cm;

lateral leaflet petiolules to 0.5 mm, terminal leaflet stalk 1–1.5 mm;

leaflets 3, blades obovate to elliptic-lanceolate, 1–2 × 0.5–1.5 cm, base cuneate, lateral veins prominent, ± parallel, ascending, margins dentate distally, apex rounded or retuse, surfaces glabrous or sparsely hairy.

palmate;

stipules broadly lanceolate, 0.5–0.9 cm, margins entire, apex acute;

petiole 0.3–1.5 cm;

petiolules to 0.2 mm;

leaflets 3, blades oblanceolate to obovate, often folded, 0.3–0.8 × 0.1–0.4 cm, base cuneate, veins thickened, obscured by pubescence, margins entire or toothed distally, apex acute, surfaces densely silvery-hairy.

axillary or terminal, 5–20-flowered, ovoid or globose, 0.5–0.9 × 0.6 cm;

involucres absent.

terminal, 4–9-flowered, globose or depressed-globose, 1–1.5 × 1–2 cm;

involucres absent.

1–1.5 cm.

1–3 cm.

reflexed, 0.2–0.5 mm;

bracteoles a fringe of red setae.

erect, 0.5 mm;

bracteoles absent.

2.8–3.5 mm;

calyx campanulate, 1.5–2 mm, glabrous, veins 5, tube 0.8–1 mm, lobes unequal, longer than tube, adaxial 2 shorter, orifice open;

corolla pale yellow becoming brown, 2.6–3.2 mm, not or slightly ribbed, banner persistent, spatulate, 2.6–3.2 × 2 mm, apex rounded to broadly acute.

9–11 mm;

calyx campanulate, 8.5–9.5 mm, canescent, veins 5–10 (obscured by hairs), tube 2.5–3 mm, lobes subequal, subulate, orifice open;

corolla with magenta banner, pale pink wing and keel petals, 8–10 mm, banner oblong, 8–10 × 2–3 mm, apex acute.

stipitate, ellipsoid, 1.5–2 mm, short beaked.

depressed-ellipsoid, 3–4 mm.

1, yellow or pale brown, ellipsoid, 0.9–1 mm, smooth, glossy.

1, brown, reniform, 2–2.5 mm, smooth.

= 16, 28, 32.

= 16.