Table 2 Species and tissues used for RNA isolation

Aethionema arabicum & A. carneum

Fruits, flowers, buds, apical meristem, leaves and side buds from fully grown plants, leaves and apical meristem from juvenile plants, and the whole seedling including the roots

Aethionema grandiflorum & A. spinosa

Meristem, leaves and young stems

Tarenaya hassleriana

Buds, open flowers and the apical meristem

Cleome droserifolia

Young leaves, roots and flowers