Greek word Chroma means colored. Plastids of color other than green are called chromoplasts. It is colored due to carotene and xanthophyll. Chromoplasts probably evolved from chloroplasts. Flower petals, colored fruits and seeds, and carrots contain chromoplasts. Insects are attracted to the colors of flowers and leaves and help in pollination. Different types of chromoplasts are-
(i) Carotenoplast: The orange colored chromoplast is called carotenoplast. Monica Sánchez flowers, bignonia flowers and carrots contain carotenoids.
(ii) Rhodoplast : Red colored chromoplast is called rhodoplast. Rhodoplasts are present in spp.
(iii) Pheoplast: Yellow-brown colored chromoplast is called pheoplast. Diatoms and brown algae contain pheoplasts.
(iv) Xanthoplast: Yellow colored chromoplast is called xanthoplast. Dandelion flower, sunflower flower, golden flower, ginger flower, marigold flower, ripe fruit skin contain xanthoplast.