Sideritis lacaitae, Font Quer

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 : 142

20. S. lacaitae Font Quer , Bol. Soc. Esp. Hist. Nat. 24: 208 (1924).

More or less tomentose perennial 30-70 cm. Lower leaves 20-50 x 2-5 mm, narrowly oblanceolate, more or less crenate-dentate; upper leaves narrower, entire. Verticillasters 4- 14, c. 6-flowered, usually distant. Lower bracts 6-7 x 8-10 mm, shorter than or about equalling calyx, suborbicular-cordate, incise-dentate, usually with more than 11 teeth. Calyx 6-7 mm, without a ring of hairs inside. Corolla c. 8 mm, pale yellow. • S. C. Spain (E. part of Sierra Morena). Hs.

Similar plants from S.E. Spain (La Sagra), with stems 20- 30 cm, leaves 10-20 x 1 - 5-2 mm, verticillasters 24, sometimes crowded, and calyx sometimes with a few hairs inside, may be referable to 7.