An African Violet cultivated specifically for its leaves, which are used in propagation . The use of stock plants is most often associated with commercial growers. Also see Leaf Propagation . Optimara variety belonging to the World Traveler series. Flowers are light blue stars .
Leaves are medium green.
More information . The pores of a leaf . The stomata are formed by the guard cells in the epidermis . They play an important role in transpiration and help regulate the plant's moisture and heat by letting water vapor escape. They also play an important role in photosynthesis by allowing carbon dioxide into the leaves.