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Flat spike-sedge

Eleocharis plana

Also called Ribbed Spikerush

Flat spike-sedge
Photo: Harry Rose from Dungog, Australia, CC BY 2.0

Flat spike-sedge (Eleocharis plana) is a perennial sedge native to eastern and south-eastern Australia, growing from creeping rhizomes in moist or wet ground. Its key to growing it is consistently wet or waterlogged soil, as it is a marsh and wetland plant.

Family
Cyperaceae (Cyper family)
Grows as
Grass, Perennial
Light
Full sun, Part shade
Water
Keep the soil constantly moist or standing in shallow water.
Soil
Wet, heavy or mud-like soil or a pond margin.
Temperature
10–30 °C; tolerates cool conditions but is frost-sensitive.
How easy
Easy
Native range
E. & SE. Australia
Climate
subtropical

About

Eleocharis plana, the flat spike-sedge, is a flat perennial sedge (in the family Cyperaceae) with creeping rhizomes, which grows up to 80 cm high in moist situations. It is widespread in inland New South Wales, and is also found in Queensland and in South Australia.

The spikelets are narrow and from 10 to 20 mm long (sometimes 40 mm). There are three stamens. The anthers are 1.5–3.1 mm long and the style is trifid.

Other Eleocharis plants

Needle spikerush · Sharp Spike Sedge · Purple spikerush · Glades spikerush · Bolander's spikerush · Eleocharis brassii · Eleocharis caespitosissima · Algal Bulrush · Drooping Spikerush · Eleocharis dietrichiana · Chinese water chestnut · Jointed spikesedge

Text excerpted from the Wikipedia article Eleocharis plana by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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