1) Caespitose 2) Forming mats 3) Gregarious 4) Growing in dense tufts 5) Tufted 1) Caespitose 2) Gregarious 3) Tufted 
• (a.) Having the form a piece of turf, i. e., many stems from one rootstock or from many entangled rootstocks or roots.
having a densely clumped, tufted or cushion-like growth form with the flowers extending above the clump
Growing in tufts or clumps, matted. ... (09 Oct 1997) ... 
having a densely clumped, tufted or cushion-like growth form with the flowers extending above the clump
Growing in tufts or dense clumps.
Ces'pi·tose` adjective [ Latin caespes turf.] (Botany) Having the form a piece of turf, i. e. , many stems from one rootstock or from many entangled rootstocks or roots. [ Written also cæspitose .]
Matted; growing in tufts; in little dense clumps; said of low plants that make tufts or turf of their basal growths.
forming mats; growing in dense tufts.