Symphyandra eretica subsp. eretica

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 : 93

(a) Subsp. eretica :

Up to 45 cm. Lamina of basal leaves 3-5-14 cm. Bracts lanceolate, serrate, longer than the pedicel. Calyx-lobes erect, usually serrate. Corolla usually white. 2л = 36. Kriti.