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Lepidium densiflorum
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Common Pepperweed
( Lepidium densiflorum )
Lepidium densiflorum
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Common Pepperweed (Lepidium densiflorum)
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Lepidium densiflorum
is a species of flowering plant in the mustard family known by the common names common pepperweed and prairie peppergrass. It is a common and widespread plant in North America, where it grows in many habitats across Canada and the United States. It grows easily in disturbed sites and it is considered a weed in some areas.
Lepidium densiflorum
is an annual or biennial herb producing a short, erect, branching stem up to about 30 centimeters in height. Leaves grow in a basal rosette at the base of the stem and reach up to about 10 centimeters long; leaves higher up on the stem are smaller and less prominently lobed. The plant produces raceme inflorescences of tiny flowers with sepals each only about a millimeter long. There are usually no petals, though sometimes vestigial petals appear near the sepals. The fruit is a few millimeters long.
Plant Description
Plant Type
Annual herb
Size
11.8 in tall
Wildlife Supported
Butterflies & moths hosted ( 2
confirmed
, 7
likely
* )
SHOW ALL
Checkered White
Pontia protodice
Pontia protodice
Western White
Pontia occidentalis
Pontia occidentalis
*
Becker's White
Pontia beckerii
Pontia beckerii
*
Large Marble
Euchloe ausonides
Euchloe ausonides
*
Pearly Marble
Euchloe hyantis
Euchloe hyantis
*
Desert Marble
Euchloe lotta
Euchloe lotta
*
Gray Marble
Anthocharis lanceolata
Anthocharis lanceolata
Landscaping Information
Natural Setting
Climate
Annual Precipitation: 4.4" - 57.1", Summer Precipitation: 0.20" - 2.34", Coldest Month: 26.1" - 61.4", Hottest Month: 54.4" - 88.8", Humidity: 0.74" - 42.79", Elevation: 139" - 8405"
Alternative Names
Common Names
: Prairie Peppergrass
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Common Pepperweed
Lepidium densiflorum
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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