Flora of North America species comparison

cespitose, branched.

± erect, loosely cespitose, branched.

palmate;

stipules ovate to lanceolate, 0.8–1 cm, margins irregularly lobed, apex acuminate;

petiole 1–16.5 cm;

petiolules 0.5 mm;

leaflets 3–7, blades obovate or elliptic, 0.9–1.9 × 0.5–0.8 cm, base cuneate, veins prominent abaxially, margins coarsely dentate, apex rounded, acute, or mucronate, surfaces strigose.

basal and cauline, palmate;

stipules ovate, 1.1–1.5 cm, margins entire, apex acuminate-subulate;

petiole 5–15 cm;

petiolules absent;

leaflets 3, blades lanceolate to linear, 2–4 × 0.1–0.6 cm, base cuneate, veins prominent, margins remotely serrate, apex acute, surfaces glabrous.

terminal or axillary, 15–30-flowered, globose to subglobose, 2–3 × 2–3 cm;

involucres a narrow membranous, dentate rim, to 0.2 mm.

terminal or axillary, 10–18-flowered, ellipsoid to subglobose, 1.8–2.2 × 2.3–2.5 cm, rachis prolonged beyond flowers, undivided or forked, often bearing sterile flower buds distally;

involucres absent.

sharply bent distally, just below flowers, 5–15 cm, surpassing leaves.

7–16 cm, slightly twisted apically.

reflexed in fruit, 2–3 mm;

bracteoles minute, cuplike, membranous, minute.

strongly reflexed in fruit, 0.5 mm;

bracteoles minute.

11–13 mm;

calyx purple, campanulate, 3–5 mm, slightly pilose, veins 5 (obscure), tube 2–2.5 mm, lobes subequal, subulate, orifice open;

corolla white to pink, 10–12 mm, banner oblong-obovate, 10–12 × 4–5 mm, apex rounded, emarginate.

13–15 mm;

calyx tubular-campanulate, 6–8.5 mm, glabrous, veins 10, tube 2–2.5 mm, lobes unequal, triangular-subulate, orifice open;

corolla pink to purple, 15 mm, banner oblong, 14–16 × 6–7 mm, apex acute or apiculate.

oblong, 3.2–3.5 mm.

ellipsoid, 5 mm.

1, dark brown, ellipsoid, 2.5–3 mm, smooth.

1 or 2, brown, flattened ovoid, 2 mm, smooth.