Flora of North America species comparison

cespitose, numerous, short, branched from woody crown.

cespitose, spreading, branched proximally, sparsely branched distally.

palmate;

stipules ovate to lanceolate, 0.5–1.5 cm, margins entire or irregularly dentate, apex acute to acuminate;

petiole 1.5–10 cm;

petiolules to 0.5 mm;

leaflets 3–5, blades ovate, obovate, oblong, or elliptic, 0.8–3 × 0.2–1.8 cm, base cuneate, veins thickened distally, margins spinose-dentate, apex rounded or acute, surfaces usually pubescent, sometimes glabrous adaxially.

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.

terminal, 6–15-flowered, subglobose, 1–2 × 1.3–2.4 cm;

involucres a narrow, membranous, dentate rim, 0.5 mm.

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

involucres absent.

1–6.5 cm, ± surpassing leaves, not bent distally.

3–7 cm, surpassing subtending leaves.

erect, those of proximal flowers sometimes reflexed, 1–4 mm;

bracteoles ovate-triangular, to 0.8 mm.

erect, reflexed in proximalmost flowers, 1 mm;

bracteoles cuplike, 0.5 mm.

7.5–13 mm;

calyx tubular-campanulate, 4–7.5 mm, strigose, veins 10, tube 2–3 mm, lobes subequal, narrowly triangular, orifice open;

corolla pink-purple, often with whitish tips, sometimes nearly wholly whitish, 7–12 mm, banner oblong, 7–14 × 5–7 mm, apex rounded, usually retuse.

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.

ovoid, 4–5 mm.

ellipsoid, 4–5 mm.

1, tan to brown, mitten-shaped, 3–4.5 mm, roughened.

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