Collomia Nutt.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 74

2. Collomia Nutt. 1

Annual. Leaves entire. Flowers in dense heads. Calyx with a projecting fold below each sinus in fruit; corolla yellow or lilac, infundibuliform; stamens included, unequal. Capsule obovoid; seeds 1 in each loculus, mucilaginous when wet.