Thlaspi praecox, Wulfen

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 320

14. T. praecox Wulfen in Jacq., Collect. Bot. 2: 124 (1789).

Stems (5—) 10—20(—35) cm, erect, glabrous, more or less glaucous. Rosette-leaves oblong to broadly ovate, petiolate, often violet beneath; cauline ovate-oblong, amplexicaul with obtuse auricles; all entire or sinuate-denticulate, coriaceous. Sepals 2-3 mm, violet-tipped; petals 5-7 mm, narrow, white. Inflorescence much elongating in fruit. Silicula usually 7-9 mm, narrowly obcordate; angle at base of notch not more than 90°; style (1—)2—3-5 mm, always exceeding the notch at least slightly. Seeds 2-4 in each loculus. Stony, shaded slopes and dry grassland, especially on karstic limestone. S. Austria, Italy, Balkan peninsula. Al Au?Bu G r It Ju.