Source : WordNet®

tree cotton
     n 1: small bushy tree grown on islands of the Caribbean and off
          the Atlantic coast of the southern United States; yields
          cotton with unusually long silky fibers [syn: {sea
          island cotton}, {Gossypium barbadense}]
     2: East Indian shrub cultivated especially for ornament for its
        pale yellow to deep purple blossoms [syn: {Gossypium
        arboreum}]