Is there a species-specific or region-specific type of plastids? How does one distinguish one from the other?
Plastids are species-specific or region-specific. They bear some specific pigments, thus imparting specific colours to the plants. According to the types of pigments, plastids are divided into three. chloroplasts, chromoplasts and leucoplasts.
The chloroplasts impart green colour as they contain chlorophyll and carotenoid pigments
The chromoplasts contain fat-soluble carotenoid pigments like carotene, xanthophylls and others are present.
The leucoplasts are the colourless plastids of varied shapes and sizes with stored nutrients
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