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Three Stamened Rush
Juncus ensifolius
  
About Three Stamened Rush (Juncus ensifolius) 1 Nurseries Carry This Plant Juncus ensifolius is a species of rush known by the common name swordleaf rush. It is native to much of western North America from Alaska to central Mexico, and into eastern Canada. It is present in Japan and far eastern Russia, and it has been introduced to many other regions of the world, including Europe, New Zealand, and Australia. It is a plant of wet areas in many types of habitat. This is a rhizomatous perennial herb forming clumps of stems 20 to 60 centimeters tall. The flat but curving leaves are mostly located at the base of the stems and are variable in length. The flower cluster is an array of many rounded clusters of many flowers each. Each flower has a number of dark brown to black petals a few millimeters long and usually three small stamens enclosed between them. The fruit is an oblong capsule with a small beak on the tip.
Plant Description
Plant Type
Plant Type
Grasses

Size
Size
0.7 - 2 ft tall

Form
Form
Upright

Growth Rate
Growth Rate
Moderate

Flower Color
Flower Color
Purple, Brown, Black

Flowering Season
Flowering Season
Summer

Wildlife Supported
 


Landscaping Information
Sun
Sun
Part Shade

Nurseries
Nurseries

Soil Drainage
Soil Drainage
Standing

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

Natural Setting
Site Type
Site Type
Wet places

Climate
Climate
Annual Precipitation: 6.7" - 154.4", Summer Precipitation: 0.20" - 5.76", Coldest Month: 10.8" - 52.0", Hottest Month: 34.1" - 79.3", Humidity: 0.29" - 24.79", Elevation: 9" - 14090"

Alternative Names
Common Names: Sword-leaved Rush, Swordleaf Rush, Three-stamened Rush, Three-stemmed Rush


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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