Flora of North America species comparison

± erect, loosely cespitose, branched.

cespitose, acaulescent.

basal and cauline, palmate;

stipules ovate-lanceolate, 0.5–2 cm, margins usually entire, sometimes lobed, apex acute to acuminate;

petiole 0.5–12 cm;

petiolules 1 mm;

leaflets 3, blades lanceolate or elliptic, 0.5–2 × 0.3–1.3 cm, base cuneate, veins prominent, margins serrate, apex acute, apiculate, surfaces glabrous.

palmate;

stipules broadly lanceolate, 0.5–0.9 cm, margins entire, apex acute;

petiole 0.3–1.5 cm;

petiolules to 0.2 mm;

leaflets 3, blades oblanceolate to obovate, often folded, 0.3–0.8 × 0.1–0.4 cm, base cuneate, veins thickened, obscured by pubescence, margins entire or toothed distally, apex acute, surfaces densely silvery-hairy.

terminal or axillary, 15–30-flowered, ellipsoid or conic, 1.5–2 × 1–3 cm, rachis prolonged beyond flowers, undivided or forked, often bearing sterile flower buds distally;

involucres absent.

terminal, 4–9-flowered, globose or depressed-globose, 1–1.5 × 1–2 cm;

involucres absent.

2–13 cm, slightly twisted apically.

1–3 cm.

strongly reflexed in fruit, 0.5 mm;

bracteoles minute, lanceolate.

erect, 0.5 mm;

bracteoles absent.

12–14 mm;

calyx pink to purple, campanulate, 3–3.5 mm, glabrous, veins 10 (5 sometimes faint), tube 1.5–1.7 mm, lobes subequal, triangular-subulate, orifice open;

corolla pink to deep purple, 12–14 mm, banner oblong, 12–14 × 4–5 mm, apex rounded or retuse.

9–11 mm;

calyx campanulate, 8.5–9.5 mm, canescent, veins 5–10 (obscured by hairs), tube 2.5–3 mm, lobes subequal, subulate, orifice open;

corolla with magenta banner, pale pink wing and keel petals, 8–10 mm, banner oblong, 8–10 × 2–3 mm, apex acute.

obliquely ellipsoid, 5 mm.

depressed-ellipsoid, 3–4 mm.

1 or 2, brown, often purple-mottled, flattened ovoid, 2–3 mm, smooth.

1, brown, reniform, 2–2.5 mm, smooth.

= 16.

= 16.