Flora of North America species comparison

cespitose, spreading, branched proximally, sparsely branched distally.

ascending, cespitose, short-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.

mostly basal, palmate;

stipules lanceolate, 0.4–0.8 cm, margins entire or lobed, apex acute or acuminate;

petiole 1–6 cm;

petiolules to 0.5 mm;

leaflets 3, blades broadly ovate, 0.4–2 × 0.3–1.5 cm, base cuneate, veins thickened distally, ± straight, sometimes arching distally, 0.5+ mm apart, 5–10 pairs of primary veins, margins sharply antrorse-serrate, apex acute, short-apiculate, surfaces glabrous.

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

involucres absent.

terminal, 5–20-flowered, erect, globose or subglobose, 0.5–1.5 × 0.8–2.5 cm, rachis prolonged beyond flowers, undivided or forked, often bearing sterile flower buds distally;

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

3–7 cm, surpassing subtending leaves.

straight distally, proximal to inflorescence, 5–8 cm.

erect, reflexed in proximalmost flowers, 1 mm;

bracteoles cuplike, 0.5 mm.

strongly reflexed, 1.5 mm;

bracteoles broadly ovate, truncate, membranous, 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.

13–17 mm;

calyx campanulate, 4.5–6.5 mm, glabrous, veins 10 (5 sometimes faint), tube 2–3 mm, lobes subequal, narrowly triangular-subulate, equaling tube, orifice open;

corolla salmon, buff-pink, or pink, with white or cream tips, 13–17 mm, banner broadly elliptic-oblong, 13–17 × 6–8 mm, apex rounded, retuse or slightly apiculate.

ellipsoid, 4–5 mm.

stipitate, obovoid-oblong, 6–7 mm.

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

1–4, brown, lenticular-ovoid, 2.5–3 mm, smooth.

= 16.