Densely mat-forming or a solitary, tangled, erect, perennial herb, up to 100 mm tall, forming extensive clones connected by long underground stolons. Leaves in a basal rosette, oblanceolate to obovate, 10-30 mm long. Flowers numerous, inconspicuous, lavender to mauve, with ?whitish calyx.
Roughly scurfy, often rhizomatous perennial to 10 cm. Leaves rosulate, oblanceolate to obovate 10-30 x 5-10 mm. Flowers in dense, prostrate inflorescences with many, sterile, axillary branchlets below, spikelets distichous on short branches, mauve, calyx limbs to 5 mm diam.