1 | Glands on lower surface of leaflets in the nerve axils and elsewhere, usually near or along the margin. Leaflets mostly répand or dentate |
1' | Glands on lower surface of leaflets exclusively in the nerve axils, sometimes absent. Leaflets entire |
2 | Leaflets mostly répand, sometimes either entire or serrate-dentate. Leaves up to 4-jugate |
2' | Leaflets serrate-dentate. Leaves 4-7-jugate |
3 | Petals 5, well-developed. Disc velvety. Leaflets obtuse. Twig greyish white, faintly 5-grooved |
3' | Petals mostly absent, rarely up to 4, rather strongly reduced. Disc woolly. Leaflets acuminate. Twig brown, terete |