Adjectives

(s)caespitose, cespitose, tufted(of plants) growing in small dense clumps or tufts
(s)tuftedhaving or adorned with tufts“a tufted bedspread”
(s)crested, topknotted, tufted(of a bird or animal) having a usually ornamental tuft or process on the head; often used in combination“golden crested”, “crested iris”, “crested oriole”, “tufted duck”, “tufted loosestrife”