Flora of North America species comparison

erect, branched.

erect-ascending, cespitose, mat-forming, branched;

from deep taproot-like crown.

palmate;

stipules ovate to lanceolate, 0.8–1.5 cm, margins entire or slightly serrate, apex acicular;

petiole 1–7 cm;

petiolules to 0.5 mm;

leaflets 3, blades narrowly obcordate, obovate, oblanceolate, or linear, 1–2.5 × 0.3–0.7 cm, base cuneate, veins moderately thickened, margins serrate distally or entire, apex rounded, truncate, shallowly to deeply retuse, or deeply 2-fid, surfaces glabrous or hairy abaxially along midvein.

palmate;

stipules ovate or lanceolate, 0.5–1.5 cm, margins entire, apex long-acuminate;

petiole 1–5 cm;

petiolules to 0.5 mm;

leaflets (3–)5, blades obovate, 0.5–2.2 × 0.2–1.2 cm, base cuneate, veins obscured by pubescence, margins entire, apex rounded or acute, apiculate, surfaces canescent.

axillary or terminal, 5–30-flowered, globose to subglobose, 0.8–1.5 × 0.8–1.5 cm, rachis prolonged beyond flowers;

involucres a very narrow rim, to 0.5 mm.

axillary, 10–20-flowered, depressed-globose, 1–2 × 1–2.3 cm;

involucres formed of connate, narrow, membranous bracts, to 0.5 mm.

3–8 cm.

1–14 cm.

reflexed in fruit, 1–3 mm;

bracteoles broadly triangular, membranous, to 0.5 mm.

absent;

bracteoles absent.

6–8 mm;

calyx campanulate, 3–3.6 mm, slightly hairy or glabrous, veins 10, tube 1–1.5 mm, lobes unequal, subulate, margins green or purple, orifice open;

corolla pink or purple, 5–7 mm, banner elliptic to oblong, 5–7 × 3–4 mm, apex rounded, apiculate.

10–17 mm;

calyx campanulate, 9–11 mm, pilose, veins 10, tube 4–5 mm, lobes equal, subulate, plumose, orifice open;

corolla white or pink, 10–17 mm, banner ovate-oblong, 12–19 × 3–5 mm, apex rounded, retuse.

stipitate, obovoid, 3–4 mm.

ellipsoid, 4–5 mm.

1 or 2, brown, mottled, oblong, 2–3 mm, smooth.

1 (or 2), tan or brown, irregularly ovoid, 1.6–2 mm, smooth, glossy.

= 16.