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Rorippa palustris
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Bog Yellowcress
( Rorippa palustris )
Rorippa palustris
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Bog Yellowcress (Rorippa palustris)
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Rorippa palustris
is a species of flowering plant in the mustard family. It is widespread and native to parts of Africa, and much of Asia, Europe and Eurasia, North America and the Caribbean. It can also be found in other parts of the world as an introduced species and a common weed, for example, in Australia and South America. It is an adaptable plant which grows in many types of damp, wet, and aquatic habitat. It may be an annual, biennial, or perennial plant, and is variable in appearance as well. It produces an erect stem, sometimes with branches, attaining a maximum height of just over one meter. The leaves are up to 30 centimeters long and have toothed to deeply lobed edges. The inflorescence is a raceme of mustardlike flowers with spoon-shaped yellow petals each a few millimeters in length. The fruit is a dehiscent and smoothly valved silicle, up to a centimeter long, and containing anywhere from 20 to 90 minute seeds.
Rorippa palustris
is native to, or naturalized across much of the globe.
Plant Description
Plant Type
Annual herb, Perennial herb
Size
3.3 ft tall
Flower Color
Yellow
Wildlife Supported
Butterflies & moths hosted ( 4
likely
* )
SHOW ALL
*
Sara Orangetip
Anthocharis sara
Anthocharis sara
*
Corn Earworm Moth
Helicoverpa zea
Helicoverpa zea
*
Salt Marsh Moth or Acrea Moth
Estigmene acrea
Estigmene acrea
*
Labrador Carpet
Xanthorhoe labradorensis
Xanthorhoe labradorensis
Landscaping Information
Natural Setting
Climate
Annual Precipitation: 3.3" - 72.2", Summer Precipitation: 0.15" - 2.04", Coldest Month: 29.9" - 59.5", Hottest Month: 56.2" - 88.2", Humidity: 0.05" - 39.23", Elevation: -4" - 6722"
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Bog Yellowcress
Rorippa palustris
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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