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Solid Pith

What Does Solid Pith Mean?

In vascular plants, the solid pith is a botanical tissue found in the stems. Also known as the medulla, this tissue comprises of parenchyma cells. These help both to store and transport various nutrients throughout the plant. Unlike softer ones, solid piths are not separated into different chambers.

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Maximum Yield Explains Solid Pith

In plants such as eudicotyledons, the pith is found in the stem center and can extend into the roots. It can also be found in the flowering stems of monocotyledons. Woody plants tend to have solid piths that can range from 0.5mm to 8mm.

In succulent plants such as cacti, the piths can measure up to 30mm. Certain types of bamboo often display hollow piths that can be as big as 150mm.

In younger shoots, fresh piths are more tender and display a pale brown or white color that tends to darken with age. Solid piths in trees and shrubs are sometimes surrounded by woodsy annual rings present in the branches or trunk.

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Synonyms

medulla

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