Loosely tufted, 3–12 cm. high. Stems creeping and rooting at nodes, much branched throughout. Lvs not always exactly distichous; lamina narrow-linear, up to 0.5 mm. wide, abaxial surface convex, only the median nerve prominent, adaxial surface channelled, median nerve visible but us. only towards the flattened tip, both surfaces with abundant stomata; sheath 3–5-nerved, nerves often red, tips of sheath truncate or produced upwards and lobed. Infl. a single spikelet, rarely 2; mature peduncle < or ± = lvs. Glumes 3, us. red-tinged; the outer largest, lf-like, the inner 2 shorter, more membr., ± equal. Hypog. scales < nut, lanceolate, us. white with red markings, or pale brown. Nut c. 1.5 × 1mm., light grey with a narrow, 3-pointed, pubescent depression at tip.
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