Small erect semi-aquatic herb 30-90 cm tall, with arching stems to 25 cm tall. Slender rhizomes that can spread up to 2 m or more. Stems erect, 0.5 mm diameter. Foliage is dark green. Flowers are small linear dark brown spikelets up to 30 mm long and 3-7 mm wide. The straw-coloured nut is narrow and oval in shape, 0.7-1.1 mm long and 0.4-0.6 mm in diameter.
Emergent narrow leaves.
Perennial. Found in mud and shallow water in saltmarshes and grassy wetlands.
Tracheophyta (Vascular Plants)
Magnoliopsida (Flowering Plants)
Source: Atlas of Living Australia