Homostylous refers to plants that have flowers with the same length of style and stamens. There are several synonyms for homostylous such as isostylous, monostylous, and homogamous. Isostylous refers to an equal style length in any flowers within a plant, while monostylous means that all flowers have only one style. Homogamous is another synonym which means that all flowers have similar sexual organs and structures, with the same arrangement and lengths of pistils and stamens. These terms are important in plant taxonomy and classification, helping botanists to differentiate plant species based on their reproductive structures and mechanisms.