| Noun | 1. | composite plant - considered the most highly evolved dicotyledonous plants, characterized by florets arranged in dense heads that resemble single flowersflower - a plant cultivated for its blooms or blossoms compass flower, compass plant - any of several plants having leaves so arranged on the axis as to indicate the cardinal points of the compass everlasting, everlasting flower - any of various plants of various genera of the family Compositae having flowers that can be dried without loss of form or color | |