Flora of North America species comparison

cespitose, spreading, branched proximally, sparsely branched distally.

erect, 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 ovate-oblong to lanceolate, 0.4–1.3 cm, sheathing proximally, margins entire or serrate, apex acuminate;

petiole 3–9 cm;

petiolules 0.5 mm;

leaflets 3, blades obovate to oblanceolate, 1.2–3 × 0.3–1.4 cm, base cuneate, veins fine, margins serrate, apex rounded or truncate, surfaces glabrous.

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

involucres absent.

axillary or terminal, 5–15-flowered, ellipsoid, 1–1.8 × 1.3–1.5 cm;

involucres flattened, 3–4 mm, shallowly incised, lobes 5–8, elliptic, apex rounded to truncate and irregularly erose, not split.

3–7 cm, surpassing subtending leaves.

3.5–6 cm.

erect, reflexed in proximalmost flowers, 1 mm;

bracteoles cuplike, 0.5 mm.

erect, 1 mm;

bracteoles broadly ovate, to 0.5 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.

7–11 mm;

calyx campanulate-tubular, 2.5–5 mm, glabrous, veins 5, tube 1–2.5 mm, lobes unequal, lanceolate-subulate, orifice open;

corolla reddish purple, 7–9 mm, inflated in fruit, banner oblong, 7–9 × 3–4 mm, apex rounded, retuse.

ellipsoid, 4–5 mm.

stipitate, ovate-oblong, 4 mm.

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

1 or 2, red-brown, ovoid-ellipsoid, 2 mm, smooth or papillate.