Boleum Desv.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 343

98. Boleum Desv. 1

Hairs unbranched. Flowers in short, dense, later elongating racemes. Sepals erect; petals long-clawed, pale yellow with reddish-brown veins and claw. Stamens without appendages, the inner united in pairs. Fruit transversely articulate, the lower segment ovoid-globose, 2-valved, septate, indéhiscent, the upper in the form of a sterile, Ungulate beak.