Fertile stem and sterile off-shoots
Leaves of fertile stem
Leaf of fertile stem, upper surface
Stem segment
Leaves of sterile plant
Basal leaf, upper surface
Basal leaf, lower surface
Basal leaf, lower surface, venation detail
Basal leaf, lower surface, detail of margin
Leaf margin
Leaf tip
Young head
Involucre
Head, top view
Head
Young fruiting head
Fruiting head, longitudinal section