Flora of North America species comparison

± erect, loosely cespitose, branched.

erect or ascending, branched.

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 lanceolate to narrowly ovate, 0.3–1 cm, margins entire, apex long-acuminate;

petiole 0.3–4 cm;

petiolules 0.5 mm;

leaflets 3, blades obovate to obcordate, 0.3–1.5 × 0.3–1.2 cm, base cuneate, veins thickened, recurved, margins dentate, apex obtuse or emarginate, surfaces sparsely hairy abaxially, glabrous adaxially.

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.

axillary, 5–25-flowered, globose, 1.3–1.5 × 1.3–1.5 cm;

involucres absent.

2–13 cm, slightly twisted apically.

geniculate proximal to flowers, inflorescence appearing inverted, 3–5 cm.

strongly reflexed in fruit, 0.5 mm;

bracteoles minute, lanceolate.

strongly reflexed in fruit, 2–3 mm;

bracteoles minute.

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.

11–13 mm;

calyx tubular, 6–8 mm, pilose or glabrous, veins 10, tube 1.5–2 mm, lobes subequal, subulate, orifice open;

corolla rose-pink or creamy white, 6–10 mm, banner ovate-oblong, 6–10 × 3 mm, equaling wing and keel petals, apex rounded or emarginate.

obliquely ellipsoid, 5 mm.

short-stipitate, ovoid-ellipsoid, 7–10 mm.

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

1 or 2, brown, ovoid-ellipsoid, 2.5–3 mm, smooth.

= 16.

= 16.