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Ricefield Flatsedge Cyperus iria

Other Common Name(s):

Description

Ricefield flatsedge is a tropical annual or perennial sedge in the Cyperaceae family.  It can be found growing in rice paddies and other wet places around the world it tropical and is a major weed in rice, cotton, soybean and other crops

See this plant in the following landscape:
Cultivars / Varieties:
Tags:
#sedge#tropical
 
Cultivars / Varieties:
Tags:
#sedge#tropical
  • Attributes:
    Genus:
    Cyperus
    Species:
    iria
    Family:
    Cyperaceae
    Life Cycle:
    Annual
    Perennial
    Country Or Region Of Origin:
    Tropical and Subtropical Asia and old world
    Distribution:
    worldwide
  • Whole Plant Traits:
    Plant Type:
    Annual
    Perennial
    Weed
  • Fruit:
    Fruit Color:
    Brown/Copper
    Fruit Type:
    Achene
    Fruit Description:
    The fruit is an obovoid brown achene.
  • Flowers:
    Flower Color:
    Gold/Yellow
    Green
    Flower Inflorescence:
    Spike
    Umbel
    Flower Description:
    Flowers are produced in open umbels on spikes that are subtended by 4-7 leaf-like bracts. The spikes are golden-brown in color, usually sessile, elongate and spreading. Spikelets are erect-spreading, crowded 6-24-flowers and golden to yellowish-green.
  • Leaves:
    Leaf Color:
    Green
    Leaf Feel:
    Rough
    Leaf Type:
    Sheath
    Simple
    Leaf Shape:
    Lanceolate
    Linear
    Hairs Present:
    No
    Leaf Description:
    The lance-linear green leaves are scabrid on the margins and mid-rib (having small, sharp projections) and V-shaped. The leaf sheath is reddish-brown and wraps around the stem.
  • Stem:
    Stem Color:
    Green
    Stem Is Aromatic:
    No
    Stem Cross Section:
    Angular
    Stem Surface:
    Smooth (glabrous)
    Stem Description:
    Roughly triangular green stem
  • Landscape:
    Problems:
    Weedy