The pollen -receptive tip of an African Violet's pistil . 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.