Schoenus melanostachys
Spikelets black, 5–8 mm long, scarcely numerous, on filiform pedicels 3–5 mm long or longer. Nut tuberculate, 3-ribbed. Leaf sheaths ± bearded at the orifice. Culms up to 1 m high but usually less, not pungent at the tip. Widespread. Damp places, usually on creek banks