adjective
- lacking stomata (pores on plant leaves through which gas exchange occurs)
Usage: botany; technical
Examples
- The astomatal leaves of certain desert plants reduce water loss.
- Some aquatic plants have astomatal surfaces because they absorb gases directly from water.
- The researcher examined the astomatal cuticle under a microscope.
- Astomatal varieties of crops may show different transpiration rates than typical cultivars.