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Broadfruit Bur-reed
Sparganium eurycarpum
  
3 Nurseries Carry This Plant

About Broadfruit Bur-reed (Sparganium eurycarpum) 3 Nurseries Carry This Plant Sparganium eurycarpum is a species of bur-reed known by the common names broadfruit bur-reed and giant bur-reed. It is native to wetlands in Eurasia and North America. It is a clonal perennial, spreading by below-ground rhizomes. The common name, bur-reed, arises from the distinctive round clusters of fruits that take the form of a mace. It can be distinguished from all other species of bur-reed by the presence of two stigmas. This species frequently occurs in areas with spring flooding, and may be emersed during periods of lower water. The buried rhizomes provide one method to survive periods of drought, fire, or ice scour. The flowers are wind pollinated, the male flower clusters being separate and more highly elevated than the female. It also produces large seeds, which can accumulate in the soil as buried reserves. It can form dense stands under the right conditions; for example, Sparganium is one of the four main vegetation types in the Ottawa River, Canada. Muskrats feed on the plant, particularly its rhizomes, while the seeds are an important food source for waterfowl.
Plant Description
Plant Type
Plant Type
Perennial herb

Size
Size
5 ft tall

Form
Form
Upright

Growth Rate
Growth Rate
Moderate

Flower Color
Flower Color
Green

Wildlife Supported
 


 
Butterflies & moths hosted ( 1 likely * ) SHOW ALL
*
Bellura obliqua Image
Cattail Border Moth Bellura obliquaBellura obliqua

Landscaping Information
Sun
Sun
Full Sun

Nurseries
Nurseries
Carried by 3

Soil Drainage
Soil Drainage
Standing

Soil Description
Soil Description
Adaptable, tolerant of sand, loam and clay

Natural Setting
Site Type
Site Type
Pond and lake edges, marshes, streams

Climate
Climate
Annual Precipitation: 7.0" - 52.6", Summer Precipitation: 0.19" - 1.79", Coldest Month: 31.8" - 55.3", Hottest Month: 57.1" - 79.5", Humidity: 0.15" - 26.23", Elevation: 3" - 8590"

Alternative Names
Common Names: Giant Bur-reed


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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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