stomatal
stom a tal |ˈstōmətl, ˈstäm -ˈstoʊmədl | ▶adjective chiefly Botany of or relating to a stoma or stomata.
stomatal |ˈstəʊmət (ə )l, ˈstɒ -| ▶adjective chiefly Botany relating to a stoma or stomata.