Thlaspi bulbosum, Spruner ex Boiss.

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

13. T. bulbosum Spruner ex Boiss. , Diagn. Pl. Or. Nov. 1 (1): 74 (1843).

Caespitose perennial 5-10 cm, with stout woody stock and several tuberous, long-tapering roots. Stems many, ascending. Rosette-leaves broadly ovate, abruptly petiolate; cauline leaves ovate-oblong with obtuse auricles; all glabrous, glaucous. Petals 6-8 mm; twice as long as the sepals, dark violet or dark lilac; anthers bright violet. Silicula obcordate, broadly winged above; style 1-2 mm exceeding the wide apical notch. Seeds 4-5, sometimes only 2, in each loculus. Montane woods.? • Greece. Gr. (14-18). T. praecox group. More or less densely caespitose perennials. Stock much-branched, with crowded leaf-rosettes and usually 2 or more flowering stems. Petals 5—7(—8) mm, white, 2 or more times as long as the sepals; stamens much shorter than the petals; anthers yellowish even after dehiscence. Silicula obcordate to triangular, broadly winged above; apex with a wide notch, or truncate. Seeds 2-10 in each loculus. 1 Style 3-5 mm, more than half as long as the ripe fruit; petals white, becoming distinctly yellow when dry 18. ochroleucum

1 Style 1-3-5 mm; petals white, not becoming distinctly yellow when dry

2 Inflorescence often branched; petals 7-8 mm 16. goesingense

2 Inflorescence simple; petals 5-7 mm

3 Plants 3-5 cm; style included within the notch of the ripe fruit 17. epirotum

3 Plants usually 10-20 cm; style equalling or exceeding the notch

4 Ripe fruit usually 7-9 mm, obcordate; angle at base of notch not more than 90° 14. praecox

4 Ripe fruit usually 5-8 mm, triangular-obcordate; angle at base of notch more than 90° 15. jankae