an area of primary meristematic tissue, emerging from and immediately behind the apical meristem, that develops into the pith and the cortex.
Origin of ground meristem
First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The primary meristem in vascular plants that gives rise to the nonvascular tissues, such as cortex, pericycle, and pith. Within the seeds of angiosperms, it surrounds the procambium.
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