Flora of North America species comparison

moderately to strongly zigzag.

weakly to moderately zigzag.

stipules ovate to lanceolate, 1.5–5.5 × 0.7–2.4 cm, base cuneate to cordate;

petiole 1–2 cm;

leaflet blades elliptic to narrowly so, 3–6.5(–7.5) × 1.2–3.5(–3.8) cm, apex acute to obtuse, short-mucronate.

stipules widely to narrowly ovate, 2.5–6.5 × 1.5–5 cm, base cuneate to amplexicaul;

petiole 1.5–3.5 cm;

leaflet blades elliptic to obovate or rhombic, 3.5–7(–9) × 2–4(–4.5) cm, apex obtuse to acute.

10–30-flowered, 7–20(–30) cm.

12–40-flowered, 10–30(–35) cm.

2–6(–9) cm;

bracts ovate to nearly lanceolate, 6–11 × 3.5–6 mm.

(4–)6–10 cm;

bracts widely ovate to nearly lanceolate, 6–15(–30) × 3–15(–20) mm.

calyx 5–8(–9) × 5–8 mm at limb, lobes 3–5 mm;

petals: banner shallowly emarginate or short-mucronate, wings and keel oblong-elliptic;

ovules 5–7.

calyx 5–8(–9) × 6–9 mm at limb, lobes 2.5–5 mm;

wing and keel petals oblong-elliptic;

ovules 5–8.

2–4 × 0.6–0.7 cm.

3–5.5 × 0.6–0.7 cm.

1 or 2 (fully matured not seen).

3–5(–10), 4 × 2.8 mm.