Nature conservation

Threatened species

Cyperus conicus - profile

Indicative distribution


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Key:
known
predicted
The areas shown in pink and/purple are the sub-regions where the species or community is known or predicted to occur. They may not occur thoughout the sub-region but may be restricted to certain areas. ( click here to see geographic restrictions). The information presented in this map is only indicative and may contain errors and omissions.
Scientific name: Cyperus conicus
Conservation status in NSW: Endangered
Commonwealth status: Not listed
Profile last updated: 03 Jan 2019

Description

Tufted, greyish perennial sedge with short thick underground stem. Leaves somewhat rough, 3-5 mm wide. Flowerhead simple or compound with 4-10 branches to 8 cm long, comprising numerous spikelets 2.5-3 mm long and about 0.8 mm wide, pale brown tinged yellow or red-brown. Fruit a triangular black nut, about 1.8 mm long and 0.8 mm diameter.

Distribution

Occurs rarely in the Pilliga area of NSW and is also found across the tropics in in Qld, WA and the NT, including central deserts north of Alice Springs.

Habitat and ecology

  • Grows in open woodland on sandy soil. In central Australia, the species grows near waterholes and on the banks of streams in sandy soils. In Qld the species usually found on heavy soils.
  • Recorded from Callitris forest in the Pilliga area, growing in sandy soil with Cyperus gracilis, C. squarrosus and C. fulvus.
  • Interstate habitats include floodplains, creek beds and banks, swamps, run-on areas and various watercourses, near or in dams and bores, and in vegetation communities such as Melaleuca swamps, open Box woodland and sedgelands. Soils are usually sandy or silty and damp to wet.
  • Often associated with other sedge species including C. victoriensis, C. difformis, C. iria, C. compressus, C. nervulosus, C. dactylotes, Fimbristylis and Eleocharis species.
  • Cyperus conicus has been recorded as very rare and occasional, to common and abundant in some populations.

Regional distribution and habitat

Click on a region below to view detailed distribution, habitat and vegetation information.


Threats

Recovery strategies

Activities to assist this species

Information sources

IBRA Bioregion IBRA Subregion Known or predicted Geographic restrictions region
Brigalow Belt SouthLiverpool Plains Predicted None
Brigalow Belt SouthNorthern Basalts Known None
Brigalow Belt SouthNorthern Outwash Predicted None
Brigalow Belt SouthPilliga Outwash Known None
Darling Riverine PlainsCastlereagh-Barwon Predicted None
NandewarKaputar Predicted None