Myosotis decumbens, Host

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 : 114

19. M. decumbens Host , Fl. Austr. 1: 228 (1827).

Like 17 but always perennial, often with creeping rhizome; calyx-teeth narrowly to broadly triangular, divided to half-way at anthesis, with numerous hooked hairs up to 0-4 mm; limb of corolla up to 8 mm in diameter; corolla-tube usually longer than calyx, anthers sometimes exserted; nutlets c. 2x1-5 mm; attachmentarea broadly reniform. TV., C. & S.W. Europe, mainly in the mountains. Au Br Cz Fe Ga Ge He Hs It Ju No Po Rm?Rs (N) Su. 1 Corolla-tube twice as long as calyx; style longer than corollatube

2 Anthers exserted (c) subsp. variabilis 2 Anthers not exserted (d) subsp. kerneri 1 Corolla-tube only slightly longer than calyx; style not longer than corolla-tube

3 Nutlets 2x1-1 mm, narrowly ovoid (b) subsp. teresiana 3 Nutlets 2x1-5 mm, broadly ovoid

4 Calyx often more than 7 mm in fruit; calyx-teeth narrowly triangular (e) subsp. fiorentina 4 Calyx rarely more than 6 mm in fruit; calyx-teeth narrowly to broadly triangular (a) subsp. decumbens