Fig 3.

Brassica plant form (A)–(B) Flowering kale (Brassica oleracea acephala cv. ‘White Crane’. (C)–(D) Kohlrabi (B. oleracea gongylodes cv. ‘Express Forcer’). (E)–(F) Turnip (B. rapa rapa cv. ‘Tokyo Hybrid’). (G)–(H) Pak choi (B. rapa chinensis). In each set of two panels, the first panel presents the plant form at harvest. Dotted lines represent where the cross section presented in the second panel was made. The second panel presents an overview of the cross section. The specks in panels (D) and (F) are the SVBs that are absent in flowering kale (B) and pak choi (H). Black spots in the cortices of (B) and (H) are leaf vascular traces. Scale bars: (A), (C), (E), (G): 2.5 cm; (B), (D), (F), (H): 10mm.