I am a plant known for my vibrant, papery bracts that surround my small, inconspicuous flowers. My leaves are often a deep green, and I thrive in warm climates. I am popular as an ornamental plant and come in a variety of colors. What am I?

1. My bracts are often mistaken for my flowers.
2. I am native to tropical regions.
3. I am often used in landscaping and as a potted plant.
4. My color can vary from vibrant pink to white, red, and even yellow.