Elsholtzia Willd.

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 : 192

41. Elsholtzia Willd. 1

Annual. Verticillasters 2-flowered, in crowded, secund spikes; bracts differing distinctly from the leaves. Calyx campanulate, 5-veined, with 5 subequal teeth, accrescent. Corolla 2-lipped; tube straight; upper lip hooded; lower lip 3-lobed. Stamens divergent, slightly exceeding the upper lip of corolla. Nutlets smooth or verrucose-rugose.