Laurentia Adanson

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 102

15. Laurentia Adanson 1

Flowers solitary, axillary or terminal, long-pedicellate. Calyx 5-fid. Corolla-tube not or scarcely split dorsally; limb 2-lipped, the upper 2 lobes rather smaller than the 3 lower. Stamens 5; anthers unequal, the 2 smaller setulose at apex. Style slender; stigmas 2. Capsule dehiscing by 2 apical valves.