root cap

noun

1. a hollow cone of loosely arranged cells that covers the growing tip of a root and protects it during its passage through the soil

root cap

1. A thimble-shaped mass of cells that covers and protects the root tip of plants.
2. Also called calyptra

Example Sentences

These forming roots might also be marked very early, and so be shown to carry onward their root-cap on the growing-point.

From Project Gutenberg

The extreme tip consists of a sort of cap of hard tissue, called the root-cap.

From Project Gutenberg

In these the gradual formation of the root-cap could be watched throughout, with merely a small lens.

From Project Gutenberg

This is evidently an adaptation which protects the young and actively growing cells just under the root cap.

From Project Gutenberg