Perennials, sparsely hairy, with ascending rhizomes and short stolons. Leaves subabruptly narrowing to acute tip. Basal leaves usually up to 4 mm wide. Stem usually 0.3–0.5 mm in diam. Lower bract membranous-brownish, usually 3–8 (–15) mm long. Inflorescence corymbose, composed of 3–17 few-flowered glomerules usually as long as wide or wider; peduncles with secondary branches, capillary, usually c. 0.2 mm in diam., arcuate or nodding. Stamens 6. Seeds narrowly ellipsoidal; appendage absent or up to 0.15 mm long; base fibrillate.