archespore
noun
the primitive cell, or group of cells, that give rise to the cells from which spores are derived.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The anthers of type one are greatly shriveled, and a band of deeply-staining collapsed cells apparently represents the remains of archesporial or pollen-forming tissue.
From Growing Nuts in the North A Personal Story of the Author's Experience of 33 Years with Nut Culture in Minnesota and Wisconsin by Carl Weschcke