name a cell organelle found only in a plant cell and also its type

Plastids are the organelle which are found in plant cells only.

Different types of plastids are as follows:

• Chloroplasts: They have chlorophyll as a pigment. Their function is to carry out photosynthesis. They are green in color because of presence of chlorophyll.
• Chromoplasts: They have different kinds of pigments which are responsible for color so they can be of any color like red, yellow orange depending upon the pigment they have. They are usually present in petals of flower in order to make flower attractive to pollinators.
• Amyloplasts: They are starch storing plastids.
• Leucoplasts: they store lipids, proteins and starch. They are colorless in appearence.