Flora of North America species comparison

± erect, loosely cespitose, branched.

cespitose, prostrate, branched from crown.

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 oblanceolate to ovate, 1–1.5 cm, margins entire, apex acute-acuminate;

petiole 5–10 cm;

petiolules to 1 mm;

leaflets 3, blades linear-elliptic, elliptic, narrowly oblong, or lanceolate, 1–7 × 0.4–1 cm, base cuneate, veins fine or thickened, margins entire or serrulate, apex truncate to acute, surfaces pubescent 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.

terminal or axillary, 20–40-flowered, becoming supine in fruit, globose, 1.5–3.5 × 1.5–3 cm;

involucres absent.

2–13 cm, slightly twisted apically.

2–6 cm.

strongly reflexed in fruit, 0.5 mm;

bracteoles minute, lanceolate.

reflexed in fruit, 3–8 mm;

bracteoles ovate or lanceolate-linear, to 1 mm.

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.

10–12 mm;

calyx campanulate, 4–7 mm, pilose, veins 10, tube 1.5–3 mm, lobes equal, subulate, orifice open;

corolla white, sometimes becoming pink to red, 10–12 mm, banner obovate-oblong, 10–12 × 4–5 mm, apex rounded, retuse or mucronate.

obliquely ellipsoid, 5 mm.

stipitate, obovoid, 4–7.5 mm.

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

1, yellow-brown, mitten-shaped, 1.8–2.1 mm, rugose.

= 16.

= 16.