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SWAMP CLUB-RUSH FACTS |
Map is from The Atlas of Living Australia web site, licensed under Creative Commons Attribution 3.0 Australia License
Common Name
Swamp Club-rush
Description
Swamp Club-rush is a slender, tufted to shortly rhizomatous perennial sedge, from 5-50 cm high with 1.5 mm diameter stems. Leaves are reduced or sometimes to 15 mm long.
Spikelets are in clusters of 3-20 with a subtending bract equal to or exceeding the cluster. Spikelets are 1.5 cm long and straw coloured with brown to blackish patches, giving a dappled appearance. Fruit is a pale yellow to pale red-brown, triangular nut, 0.7-1 mm long and 0.6-0.8 mm diameter.
Habitat
Grows in a wide range of environments from brackish swamps to shaded mountain gullies. Appears to have some tolerance to saline and extremely acid conditions.
Distribution
Swamp Club-rush is found in south east Queensland, eastern New South Wales, Victoria, south east of South Australia, south west of Western Australia, Tasmania. Also found in Papua New Guinea, New Zealand.
Growth Characteristics
Height (m): 0.5
Spread (m): 0.5 - 1
Soil Texture: sand, loam, clay
Soil pH: acid soils, neutral soils, alkaliine soils
Frost Sensitivity: resistant
Minimum Rainfall (mm): the species is best suited to constantly moist sites
Flower Colour: brown
Flower Season: spring
(source: SA State Flora Catalog)
Classification
| Class: | Liliopsida | | Order: | Poales | | Family: | Cyperaceae | | Genus: | Isolepis | | Species: | inundata | | Common Name: | Swamp Club-rush |
Relatives in same Genus
Isolepis cernua
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