Cyperus difformis, Fam. Cyperaceae
An annual sedge with small clumps of smooth, erect, three angled stems up to 3mm thick and 20-50cm in height.
|Form or habit:||Sedges, Rushes and allies|
Flat, shorter than or the same length as the stems, usually erect, 2-4mm wide, lime green.
|Flower description:||Five to nine peduncles bearing globose spikes about 1cm in diameter, subtended by two or three, leaf-like bracts of which the lowest one is much longer than the inflorescence. Spikelets are distinctive for their rich brown colour and pale, almost transparent margins. All year.|
|Fruit description:||Green yellow nuts, up to 0.9mm long, three angled.|
|Habitat:||Gallery (riverine or riparian) forest, wetland.|
|Distribution||Queensland, New South Wales, Northern Territory, South Australia, Victoria, Western Australia, New Guinea, Melanesia, Malesia, Asia, Pacific Islands, Africa.|
|Food source for:|
|Toxicity:||No toxicity known|
|Origin:||Australia, New Guinea, Melanesia, Malesia, Asia, Pacific Islands, Africa.|
|Notes:||An attractive sedge for use around wetlands including for stabilisation and wastewater treatment. Suitable for shallow ponds or damp soil. It produces many viable seed that germinate readily. Whilst a native species and not a weed in most situations it can be a serious weed in rice crops.|
|Information sources:||Melzer R. & Plumb J. (2007) Plants of Capricornia.|