Rhizanthous is a botanical term which means producing flowers from the base of the stem. Synonyms for this term include basiflorous, cauliflorous, and axillary flowering. Basiflorous refers to plants that have their flowers at the base of the stem, while cauliflorous refers to trees that produce flowers on the trunk or branches. Axillary flowering, on the other hand, refers to plants that have flowers emerging from the axis of the stem or branch. These terms are useful for botanists and gardeners alike when describing the growth and flowering patterns of different plants. Understanding these synonyms can also help in identifying plants and selecting appropriate planting locations.