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Tall Spike-rush / Kaya

Eleocharis sphacelata


Eleocharis sphacelata, commonly known as "tall spike-rush and kaya" in Australia, "kuta and bamboo spike sedge" in NZ, is a sedge of the family Cyperaceae that is native to Australia and New Zealand, but also found in PNG and New Caledonia. The erect rhizomatous perennial aquatic herb to grass-like sedge typically grows to a height of 1 to 2 metres (3.3 to 6.6 ft), although in deep water can grow taller. It blooms between February and October producing white flowers. PS: The name of this national park is Girraween, which actually means "place of flowers".


Spotted in a small freshwater dam, in Girraween National Park, SEQ. Usually found in still, fresh water in lagoons and swamps. Sand soils around the dam with clay base. Here's some park info -


Eleocharis sphacelata is one of six species of Eleocharis documented in this national park....

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Neil Ross
Spotted by
Neil Ross

Girraween, Queensland, Australia

Spotted on Oct 8, 2020
Submitted on Oct 10, 2020

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