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Cyperus laevigatus
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Smooth Flatsedge
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Cyperus laevigatus

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About Smooth Flatsedge (Cyperus laevigatus) Cyperus laevigatus is a species of sedge known by the common name smooth flatsedge. Cyperus laevigatus is grows in wet areas, especially in brackish water, wet alkaline soils, mineral-rich hot springs, and other moist saline and alkaline habitat. It is known from the beaches of the Hawaiian Islands and salty pools in the deserts of the Southwestern United States (California, Arizona, Texas) down through Mexico and Central America to South America. It is also widespread across most of the West Indies, Africa, the Mediterranean Basin, the Middle East, India, Central Asia, Australia and various oceanic islands. Cyperus laevigatusis a perennial sedge growing up to 60 centimeters tall, sometimes in clumps interconnected on a horizontal rhizome. The inflorescence is a small array of cylindrical spikelets with one to three leaflike bracts at the base. The spikelets vary in color from green to reddish to dark brown. History. In Hawai'i, Cyperus laevigatus is known as Makaloa and was used by the people of Ni'ihau to make beautiful plaited mats. Many of the finest examples of plaiting in Hawai'i is made from Makaloa.
Plant Description
Plant Type

Max. Height
2 ft (0.6 m)

Flower Color

Native Status

Natural Setting
Elevation ?
-148' - 4000'

Annual Precip. ?
2.4" - 23.3"

Summer Precip. ?
0.19" - 1.57"

Coldest Month ?
42.0° F - 60.6° F

Hottest Month ?
68.6° F - 90.2° F

Humidity ?
1.03 vpd - 48.25 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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