Petagnia Guss.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 324

9. Petagnia Guss. 1

Basal leaves usually peltate, deeply lobed; cauline palmately divided. Inflorescence repeatedly branched. Sepals conspicuous. Petals whitish, oblong-cuneate; apex short, inflexed. Ovary 1-locular; ovule 1. Fruit subglobose, hard and nut-like. Ridges prominent above, obsolete below; vittae absent.