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Eleocharis rostellata

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About Beaked Spikerush (Eleocharis rostellata) Eleocharis rostellata is a species of spikesedge known by the common name beaked spikerush. It is widespread across North America (including Mexico, Guatemala and the West Indies), with isolated populations in Argentina. Eleocharis rostellata occurs in many types of wetland habitat, especially saline and alkaline water bodies such as hot springs, fens, and salt marshes. Eleocharis rostellata is a rhizomatous perennial herb growing up to 1. 2 meters tall with spongy, compressible stems. The stem bends and droops and if the tip touches moist soil it may root there and grow more stems. The plant also reproduces by seed and vegetatively by sprouting from bits of rhizome. The inflorescence is a single spikelet up to 2 centimeters long made up of many tiny flowers covered in light brown, sometimes purple-spotted bracts.
Plant Description
Plant Type

Max. Height
3 - 6.6 ft (0.9 - 2 m)


Growth Rate

Flower Color

Flowering Season

Native Status

Natural Setting
Elevation ?
-148' - 9220'

Annual Precip. ?
2.4" - 93.3"

Summer Precip. ?
0.15" - 2.96"

Coldest Month ?
25.7° F - 60.7° F

Hottest Month ?
52.4° F - 90.2° F

Humidity ?
0.39 vpd - 48.25 vpd

Soil Description
Adaptable, tolerant of sand, loam and clay

Landscaping Information
Common uses
Bird Gardens

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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