| Position of the petiolar extrafloral nectary | At 1–1.5 cm from the base of the petiole | At 2–3.5 cm from the base of the petiole |
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| Petiolar extrafloral nectary (size, shape) | 3–5 × 1.5–2 mm, verruciform with an elongated base | 1 × 1–1.5 mm, verruciform |
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| Number of pairs of pinnae | 6–9 | 11–14 |
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| Indumentum of the rachis | Sparsely ferruginous-pulverulent, glabrescent | Yellow-velutinous |
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| 2nd degree petiolules | Ca. 1 mm, puberule | Ca. 0.5 mm, pubescent |
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| Extrafloral nectaries of the rachillae | 3–8 | 6–13 |
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| Number of pairs of leaflets | (6–)8–10 | (5–8)11–19 |
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| Shape of leaflets (except distal and proximal pairs) | Oblong-rhombic, sometimes ovate, rarely elliptic | Oblong |
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| Leaflets´ size | (11–)13–24 × (6–) 7–19 mm | 4–11 × 2–6 mm |
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| Indumentum of leaflets | Sparsely puberule at the upper surface, puberule at the lower surface | Glabrous at the upper surface, lower surface pubescent to tomentose |
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| Tuft of trichomes on the lower surface | Present, unilateral, not prolonged | Present, bilateral, usually prolonged up to half the blade |
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| Fruit | The valves conspicuously nerved, curved | The valves conspicuously nerved, straight to rarely curved |
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