Myosotis arvensis, (L.) Hill

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 : 112

6. M. arvensis (L.) Hill , Veg. Syst. 7: 55 (1764)

( M. intermedia Link ).

Biennial. Stem up to 60 cm, robust, often muchbranched at the base. Basal leaves up to 8x1-5 cm, oblanceolate, not distinctly petiolate. Leafy part of stem with patent hairs, the leafless part with appressed, straight hairs. Inflorescence ebracteate; pedicels directed upwards in fruit, the lowest up to 1 cm, becoming shorter above. Calyx up to 7 mm in fruit, closed, with many patent, hooked hairs especially at its base, deciduous. Limb of corolla c. 3 mm in diameter, saucer-shaped, bright blue. Nutlets up to 2-5 x 1-2 mm, greenish-black to black, pointed, with a rim; attachment-area small. Dry places, and as a ruderal. Throughout Europe. All except Az Cr Sb.

Very variable, the habit depending greatly on the environment.