Fire bush, also known as firecracker plant or scarlet bush, is a flowering shrub that will light up any garden with its bright red-orange flowers. If you're looking for synonyms for this striking plant, you could try searching for "red flowering shrubs," "tropical shrubs," or "plants for attracting hummingbirds" - as the fire bush is known for its ability to attract these small, colorful birds. Other similar plants to consider might include hibiscus, bougainvillea, or dwarf ixora, as they share many of the same striking colors and tropical origins that make the fire bush so popular.