Eleocharis atropurpurea

Eleocharis atropurpurea is a species of spikesedge known by the common name purple spikerush. This is an aquatic plant native to much of (Africa, eastern and southern Asia, Australia, Latin America). It also has a wide distribution in temperate regions of North and South America and Asia. It is present in Europe, where it may be an introduced species for the most part.[1][2][3][4]

Purple spikerush
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Eleocharis
Species:
E. atropurpurea
Binomial name
Eleocharis atropurpurea
Synonyms
  • Eleocharis multiflora
  • Scirpus atropurpureus
  • and many more

Eleocharis atropurpurea can be found in wet areas from ocean shores to rice fields and irrigation ditches to inland lakes and rivers. This is an annual sedge rarely exceeding ten centimeters in height. It grows in tufts with few reddish-green leaves and many thin erect stems. Atop each stem is an oval-shaped, pointed inflorescence consisting of a spikelet under a centimeter long and containing at least ten flowers. Each tiny flower is covered by a bract which is a purplish-brown color. The fruit is a minute shiny black achene less than a millimeter long.[5]

References
  1. Kew World Checklist of Selected Plant Families
  2. Altervista Flora Italiana, Giunchina minore, Eleocharis atropurpurea (Retz.) Presl includes line drawing plus distribution maps for Europe and North America
  3. Flora of North America, Eleocharis atropurpurea (Retzius) J. Presl & C. Presl in C. B. Presl, Reliq. Haenk. 1: 196. 1828.
  4. Flora of China Vol. 23 Page 197, 紫果蔺 zi guo lin, Eleocharis atropurpurea (Retzius) J. Presl & C. Presl, Reliq. Haenk. 1: 196. 1828.
  5. Jepson Manual Treatment


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