The word "red-flowered" can be used to describe anything that has red flowers. However, there are many different synonyms for this word that can be used to add variety to your writing. Some other words you might consider using include "crimson," "scarlet," "vermilion," "ruby," "garnet," "maroon," "cherry," "carmine," and "rosy." Each of these words has its own unique connotation and can be used to describe different shades or hues of red. By incorporating a variety of synonyms into your writing, you can make your descriptions more interesting and engaging for your readers.