Flora of North America species comparison

ascending, cespitose, short-branched.

erect or ascending, branched.

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.

palmate;

stipules obovate or lanceolate, 1–2.5 cm, margins entire or toothed, apex long-acuminate;

petiole 1–21 cm;

petiolules 1 mm;

leaflets 3, blades usually obovate or ovate, rarely rhombic, 1–4 × 1–2.5 cm, base cuneate, veins prominent, margins sharply serrate, apex broadly acute, obtuse, or emarginate, surfaces glabrous.

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.

terminal or axillary, 10–70+-flowered, globose to subglobose, 1–2.5 × 1–2.5 cm, rachis not prolonged beyond flowers;

involucres absent.

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

2–10 cm.

strongly reflexed, 1.5 mm;

bracteoles broadly ovate, truncate, membranous, to 0.5 mm.

strongly reflexed, 2–3.5 mm;

bracteoles lanceolate, 1 mm.

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.

8–12 mm;

calyx campanulate, 3.5–4 mm, glabrous or sparsely hairy, veins 10, tube 1.5–2 mm, lobes unequal, lanceolate-subulate, orifice open;

corolla pale to dark pink, 7–10 mm, banner ovate-oblong, 6.5–10.5 × 4–6 mm, apex rounded-denticulate.

stipitate, obovoid-oblong, 6–7 mm.

stipitate, ellipsoid, 3–7 mm.

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

2–4, tan, brown, or red-brown, mitten-shaped, 1–1.4 mm, smooth, dull.

= 16.

= 16.