Flora of North America species comparison

cespitose, spreading, branched proximally, sparsely branched distally.

erect to decumbent, branched.

palmate;

stipules broadly obovate, 1–2 cm, fused at base, margins slightly lobed, apex acute;

petiole 2–6 cm;

petiolules 1–1.5 mm;

leaflets 3, blades ovate, obovate, or orbiculate, slightly overlapping, 1–2 × 0.7–2.3 cm, base truncate to rounded, veins prominent, margins sparsely dentate, apex rounded, emarginate, surfaces glabrous.

palmate;

stipules oblong, 0.5–1.9 cm, margins entire, apex lanceolate-subulate;

petiole 0.3–5 cm;

petiolules 1 mm;

leaflets 3, blades ovate to obovate, 0.5–1.5 × 0.3–2 cm, base cuneate, veins fine, margins denticulate to dentate, apex rounded, truncate, or emarginate, surfaces hirsute.

terminal, 20–30-flowered, globose, usually formed of 2 sessile heads, 2.5–5 × 2.5–5 cm;

involucres absent.

terminal, 40–60-flowered, globose or ovoid, burlike, not disarticulating at maturity, 1–1.4 × 1.8–2 cm;

involucres absent.

3–7 cm, surpassing subtending leaves.

0.1–0.7 cm.

erect, reflexed in proximalmost flowers, 1 mm;

bracteoles cuplike, 0.5 mm.

straight, 0.5 mm;

bracteoles absent.

15–21 mm;

calyx tubular-campanulate, 9–12 mm, pilose, veins 10, tube 4.5–6 mm, lobes subequal, abaxialmost longest, subulate, orifice open;

corolla deep pink or magenta, 20–23 mm, banner tubular for most their length, 18–22 × 5–7 mm, apex flared.

7–9 mm;

calyx campanulate, 7–9 mm, glabrous, veins 20, tube 3 mm, lobes equal, longer than tube, setaceous becoming spinose, orifice hairy, open;

corolla pinkish white, 6–10 mm, banner elliptic, 6–9 × 1.5–2 mm, apex emarginate.

ellipsoid, 4–5 mm.

ovoid, leathery distally, transversely dehiscent, 1.5 mm, long-beaked.

1 or 2, yellow-mottled, mitten-shaped, 2–3 mm, smooth.

1, light brown, reddish, or yellow with reddish spots, ovoid, 1 mm, smooth, shiny.

= 16.