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Juncus nodosus
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Knotted Rush
( Juncus nodosus )
Juncus nodosus
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Knotted Rush (Juncus nodosus)
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Juncus nodosus
is a species of rush known by the common name knotted rush. It is native to much of North America from northern Canada to central Mexico, where it grows in wet places from freshwater to salt marsh habitat. This is a rhizomatous perennial herb producing slender, smooth stems up to about 60 centimeters tall. The flower cluster is a series of spherical clusters of flowers. Each flower has green or brown pointed segments each a few millimeters long and tapering to a point.
Plant Description
Plant Type
Grasses
Size
2 ft tall
Form
Upright
Growth Rate
Moderate
Flower Color
Green, Brown
Flowering Season
Summer
Wildlife Supported
Butterflies & moths hosted ( 1
likely
* )
SHOW ALL
*
Javelin Moth
Bactra verutana
Bactra verutana
Landscaping Information
Sun
Full Sun
Soil Drainage
Standing
Soil Description
Adaptable, tolerant of sand, loam and clay
Natural Setting
Site Type
Streambanks, lake shores, wet meadows
Climate
Annual Precipitation: 2.6" - 25.6", Summer Precipitation: 0.46" - 2.49", Coldest Month: 36.8" - 59.2", Hottest Month: 66.4" - 89.0", Humidity: 3.82" - 46.55", Elevation: 89" - 5666"
Alternative Names
Common Names
: Jointed Rush
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Knotted Rush
Juncus nodosus
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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