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.[1]

Eleocharis plana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Eleocharis
Species:
E. plana
Binomial name
Eleocharis plana

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.[1]

The nut is obovoid, and from 1.2 to 1.8 mm long and about 1 mm in diameter. It is shining and a bright yellow to brown, with the base of the style base being about half as long and wide as the nut.

It flowers from spring to summer.[1]

Eleocharis plana was first described by Stanley Thatcher Blake in 1938.[2][3]

References

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  1. ^ a b c K.L.Wilson. "New South Wales Flora Online: Eleocharis plana". Royal Botanic Gardens & Domain Trust, Sydney, Australia.
  2. ^ "Eleocharis plana". Australian Plant Name Index, IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  3. ^ Blake, S.T. (1938). "Notes on Australian Cyperaceae, II". Proceedings of the Royal Society of Queensland. 49 (15): 155. doi:10.5962/p.351638. S2CID 257119674.
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