Apply your understanding of evolution, photosynthesis, and transpiration as you match the following plant types to a description of the location of their stomata. Reset Help pine needles 1. The leaves are waxy, long, and cylindrical, and the stomata are sunk in pits to minimize transpiration in dry habitats and during seasons when water is not available. dandelion water lily 2. The stomata are abundant but are found only on the upper epidermal surface. grass 3. Stomata are found almost equally on both surfaces of the leaf as the narrow leaves are held vertically and both leaf surfaces are exposed to the sun. 4. More stomata are found on the lower epidermal surface than the upper epidermis as this plant grows in full sun and displays its broad leaves horizontally relative to the sun.