I: | Pulvinus leaf base is present in some leguminous plants. |
II: | In Eichhornia the petioles expand, become green and synthesise food. |
III: | Opposite phyllotaxy is seen in guava. |
Column I | Column II |
A. Opuntia | 1. Stem thorns |
B. Asparagus | 2. Phylloclades |
C. Citrus | 3. Cladodes |