Is the pith of plants ground tissue?

Yes, the pith of plants is indeed a type of ground tissue. Ground tissue is one of the three primary tissue types in plants, along with dermal tissue and vascular tissue. It makes up the majority of the plant body and serves various functions including photosynthesis, storage, and support.

The pith is the central region of a plant stem or root, consisting of parenchyma cells that are loosely packed and often contain large intercellular spaces. Pith cells can store nutrients, provide structural support, and sometimes participate in water and nutrient transport. The pith is surrounded by vascular tissue, which includes the xylem and phloem, and is covered by the cortex or other types of ground tissue.