Definition from Wiktionary, the free dictionary
cladode (plural cladodes)
- (botany) A flattened organ arising from the stem of a plant. These often replace the leaves in photosynthetic function, as leaves in such plants (for example asparagus, butchers broom) are typically reduced to scales.  May also refer to the generally flattened shoot such as the cactus shown.
- phylloclade — a leaflike cladode, with unlimited extension growth
- ^ Acquisition and Diversification of Cladodes: Leaf-Like Organs in the Genus Asparagus