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Cyperus niger

From Wikipedia, the free encyclopedia

Black flatsedge
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Cyperus
Species:
C. niger
Binomial name
Cyperus niger
Synonyms[1]
  • Cyperus melanostachyus Kunth
  • Pycreus niger (Ruiz & Pav.) Cufod.
  • Cyperus variegatus Kunth
  • Cyperus adustus J.Presl & C.Presl
  • Cyperus cimicinus J.Presl & C.Presl
  • Cyperus longicruris Boeckeler
  • Cyperus lorentzianus Boeckeler
  • Cyperus intricatoramosus Boeckeler
  • Cyperus pergracilis Boeckeler
  • Chlorocyperus cimicinus (J.Presl & C.Presl) Rikli
  • Chlorocyperus melanostachyus (Kunth) Rikli
  • Cyperus biradiatus Boeckeler

Cyperus niger is a species of sedge known by the common name black flatsedge. This plant is native to the Americas, where it can be found in wet areas from South and Central America to the southwestern United States, from California and Oklahoma south to Argentina.[1][2][3][4]

Cyperus niger is a perennial herb with small, wispy rhizomes. There may be a few long, thin leaves around the base of the plant. The thin stems often grow bunched together and may reach half a meter in height. The inflorescence contains a few to over 20 spikelets, each under a centimeter long, flat, and containing usually fewer than ten flowers. Each flower is covered by an oval-shaped dark brown or greenish bract. The fruit is a discoid achene just over a millimeter long.[5]

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