Halacsya Dörfler

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 : 97

13. Halacsya Dörfler 1

Perennial herbs. Flowers in terminal, bracteate cymes. Calyx slightly unequally lobed almost to the base. Corolla yellow, infundibuliform, slightly unequally 5-lobed to c. j way; tube without annulus or scales, but with 5, small invaginations just below the throat. Stamens included, inserted at the throat. Style exserted; stigma small, entire. Nutlets usually solitary by abortion, ovoid, acute, keeled, rugose, with more or less flat base.