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Curvepod Yellowcress
Rorippa curvisiliqua
About Curvepod Yellowcress (Rorippa curvisiliqua) Nurseries Show All Photos Rorippa curvisiliqua is a species of flowering plant in the mustard family known by the common name curvepod yellowcress. It is native to western North America from Alaska to California to Wyoming, where it can be found in various types of moist and wet habitat, including lakeshores and riverbanks, meadows, roadsides, and mudflats. Rorippa curvisiliqua is an annual or biennial herb which can be quite variable in appearance. It produces prostrate to erect stems up to half a meter long. The leaves are up to 7 centimeters long and have blades which may be smooth-edged or divided into lobes of varying shapes. The inflorescence is an elongated raceme occupying the top portion of the stem containing many tiny yellow flowers just a few millimeters long. The fruit is a silique which is variable in size and shape but generally contains many minute seeds. This species has been divided into a number of varieties, but some authorities doubt that this division is valid or useful.
Plant Description
Plant Type
Annual herb, Perennial herb

Max. Height
1 ft (0.3 m)


Growth Rate

Flower Color

Native Status

Natural Setting
Elevation ?
2' - 11289'

Annual Precip. ?
3.3" - 125.9"

Summer Precip. ?
0.15" - 3.82"

Coldest Month ?
21.1° F - 59.5° F

Hottest Month ?
41.2° F - 88.2° F

Humidity ?
0.17 vpd - 39.23 vpd

Soil Description
Adaptable, tolerant of sand, loam and clay

Landscaping Information
Common uses
Bogs and Ponds

Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Curvepod Yellow-cress, Western Yellow Cress, Western Yellow-cress, Western Yellowcress

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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