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Lepidium nitidum
  

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About Peppergrass (Lepidium nitidum) Lepidium nitidum is a species of flowering plant in the mustard family known by the common name shining pepperweed. It is native to western North America from Washington to Baja California, and it may be found elsewhere as an introduced species. It thrives in a number of habitat types. This is a mainly erect annual herb producing a slender stem up to about 40 centimeters tall. There are small leaves along the stem and larger ones at the base growing up to 10 centimeters long and divided into many narrow lobes. At the top of the stem appear tiny flowers with spoon-shaped white petals only about a millimeter long. The flowers give way to flattened, rounded to oval-shaped disclike fruits up to about half a centimeter long. Each green to pink shiny fruit is divided down the center into two chambers containing seeds.
Plant Description
Plant Type
Annual herb

Max. Height
1.3 ft (0.4 m)

Flower Color
White

Native Status
Native

Natural Setting
Sun
Sun

Elevation ?
-253' - 8978'

Annual Precip. ?
3.0" - 71.7"

Summer Precip. ?
0.13" - 2.96"

Coldest Month ?
26.3° F - 58.6° F

Hottest Month ?
52.7° F - 88.2° F

Humidity ?
0.44 vpd - 38.39 vpd

Landscaping Information
Nursery Availability
Rarely Available

Other Names
Common Names
Shining Pepperweed


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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