Paederota 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 : 252

23. Paederota L. 1

Perennial herbs; leaves opposite, undivided. Flowers in terminal, bracteate, spike-like racemes. Calyx somewhat unequally 5- lobed. Corolla with cylindrical tube and 2-lipped limb, usually somewhat shorter than the tube; upper lip entire (rarely 2-lobed), erect; lower lip 3-lobed, more or less patent. Stamens 2, exserted from corolla-tube, but sometimes shorter than limb. Stigma capitate. Capsule loculicidal, not laterally compressed; seeds numerous.

Flowers blue; leaves with not more than 9 teeth on each side

1. bonarota Flowers yellow; larger leaves with at least 10 teeth on each side 2. lutea