Flora of North America species comparison

± erect, loosely cespitose, branched.

cespitose, short-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 broadly lanceolate, 1–1.5 cm, margins entire, apex acute-acuminate;

petiole 0.6–1.2 cm;

petiolules to 0.5 mm;

leaflets 3, blades ovate, oblong-elliptic, or elliptic, 0.8–3 × 0.4–1.5 cm, base cuneate, veins moderately thickened, margins entire or faintly serrate, apex acute to rounded or minutely apiculate, surfaces glabrous.

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, 4–15-flowered, ovoid-ellipsoid, 2.5–4 × 2.2–3 cm, rachis prolonged ca. 10 mm beyond distalmost flower;

involucres absent.

2–13 cm, slightly twisted apically.

6–20 cm.

strongly reflexed in fruit, 0.5 mm;

bracteoles minute, lanceolate.

strongly reflexed, 1–2 mm;

bracteoles linear, 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.

15–18 mm;

calyx whitish, campanulate, 7–10 mm, sparsely pubescent, veins 10, tube 4–5 mm, lobes subequal, longer than tube, narrowly triangular, acuminate, orifice open;

corolla purple to magenta, 15–18 mm, banner broadly ovate, 15–17 × 7–9 mm, apex obtuse or retuse.

obliquely ellipsoid, 5 mm.

oblong, 6.5–7 mm.

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

1–3, yellow and red, flattened ovoid, 2–2.5 mm, smooth.

= 16.

= 16.