Podarium

Podarium [ Botany ]
Synonym: Podaria

Dictionary of botanic terminology - index of names


	A podarium is a modified leaf base of a cactus or other succulents, thus the leaf base functions as the photosynthetic part, a combination of leaf and stem.

The podarium generally take the form of a tubercle (for example the tubercles of Mammillaria). The podaria of some species have become fused into vertical ribs that cover the entire surface of the plant. The Echinocactus grusonii provides a good example of this type of ribbing.

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