Flora of North America species comparison

cespitose, branched, numerous short stems.

densely mat-forming, short-branched.

palmate;

stipules lanceolate-linear, 1.5–2 cm, margins entire, apex acuminate;

petiole 0.6–3.5 cm;

petiolules to 0.5 mm;

leaflets 3, blades oblong-elliptic, oblanceolate, or obovate, sometimes folded, 0.6–3.2 × 0.2–0.6 cm, base cuneate, veins obscure, margins entire, apex acute, surfaces glabrous or hairy.

palmate;

stipules ovate or lanceolate, 0.5–1 cm, margins entire or lobed, apex acute or acuminate;

petiole 0.3–30 cm, pubescent;

petiolules 0.2 mm;

leaflets 3, blades oblanceolate, 0.3–1.6 × 0.1–0.7 cm, base cuneate, veins close-set, 12–18 pairs of primary veins, 0.5 mm apart, margins sharply antrorsely serrate, apex acute, long-apiculate, surfaces usually glabrous, rarely midvein pubescent abaxially.

axillary or terminal, 5–16-flowered, globose, 1.5–3.5 × 1.2–3.3 cm;

involucres formed of proximal bracteoles, bases sometimes connate.

terminal, 8–18-flowered, globose or subglobose, 1.2–2.5 × 2–3 cm;

involucres absent.

2–17 cm.

0.5–3.5 cm, pubescent.

erect, 1.5–2 mm;

bracteoles linear-lanceolate, scarious, 2–6 mm, or scalelike.

reflexed, 2–3.5 mm, pubescent;

bracteoles broad, membranous, to 0.2 mm.

12–16 mm;

calyx campanulate, 6–9 mm, pubescent, veins 10, tube 2–5 mm, lobes unequal, linear-subulate, orifice open;

corolla often bicolored cream and violet, sometimes all red-purple or violet, 1.2–1.6 mm, banner broadly elliptic-ovate, 11–15 × 4–5 mm, folded distally, apex rounded, apiculate;

ovaries pubescent distally.

8–13 mm;

calyx campanulate, 4–6 mm, pubescent, veins 5–10, tube 1.5–2.5 mm, lobes subequal, narrowly triangular-subulate, orifice open;

corolla creamy white, 8–13 mm, banner broadly elliptic-oblong, 10–13 × 6–8 mm, apex rounded, slightly apiculate.

oblong, 4–6 mm.

stipitate, flattened, ovoid, 2–3.5 mm.

1–3, dark brown, ovoid-reniform, 2–2.5 mm, smooth.

1, yellow, mottled, flattened-ovoid, 2 mm, smooth.

= 16.