Flora of North America species comparison

cespitose, spreading, branched proximally, sparsely branched distally.

erect or ascending, 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 triangular-lanceolate, 0.7–1.5 cm, margins entire, apex stramineous, subulate;

petiole 1.5–5 cm;

petiolules 1 mm;

leaflets 3, blades obovate, oblong, or elliptic, 0.8–1.8 × 0.4–0.9 cm, base cuneate, veins prominent, margins dentate-spinulose, apex rounded to emarginate, surfaces glabrous.

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

involucres absent.

axillary, 15–30-flowered, globose, 0.8–1 × 0.8–1 cm;

involucres absent.

3–7 cm, surpassing subtending leaves.

0.5–2 cm.

erect, reflexed in proximalmost flowers, 1 mm;

bracteoles cuplike, 0.5 mm.

recurved in fruit, 1 mm;

bracteoles folded, linear-subulate, 4–5 mm.

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.

4–5 mm;

calyx obconic, 4–5 mm, glabrous, veins 10, tube 1.3–2.1 mm, lobes unequal, longer than tube, subulate, recurved in fruit, orifice open;

corolla white or pink, 3.2–4.5 mm, banner ovate, 3–4 × 1–2 mm, apex acute to rounded, entire to slightly erose distally.

ellipsoid, 4–5 mm.

ovoid-oblong, 4.2–5.5 mm.

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

2, brown, ovoid-reniform, 1 mm, minutely granulose.

= 16.