Justicia L.

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 : 284

2. Justicia L. 1

Shrubs with opposite, entire leaves. Inflorescences axillary, pedunculate, dense and spike-like. Calyx campanulate, 5-fid. Corolla with a short tube and large, 2-lipped limb; upper lip subentire, lower 3-fid. Stamens 2, appressed to the upper lip; filaments adnate to the corolla-tube; anthers with the loculi attached at different levels, mucronate at base.