Mimulus guttatus, DC.

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 : 204

1. M. guttatus DC. , Cat. Pl. Horti Monsp. 127 (1813)

( M. luteus auct., non L.).

Glabrous except for glandular-pubescent inflorescence. Stems up to 50 cm, hollow, stout, ascending to erect. Leaves broadly ovate, acute to obtuse, irregularly dentate, the lowest petiolate, the others sessile. Racemes 3- to 7-flowered; pedicels 12-25 mm. Calyx 15-20 mm, the upper tooth longer and wider than the others. Corolla c. 4 x 3 cm, bright yellow, usually spotted with red near the throat; mouth of tube nearly closed by 2 hairy ridges on lower lip. Seeds finely striate. 2« = 48. Cultivated fo r ornament and naturalized, chiefly by streams, over a large part o f Europe. [Au Be Br Bu Cz Da Fe Ga Ge Hb He Ho Ju No Po Rm Rs (B, C) Su.] (W. North America.)