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Lepidium oblongum
  

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About Veiny Pepperweed (Lepidium oblongum) Lepidium oblongum is a widespread North American species of flowering plant in the mustard family known by the common name veiny pepperweed. It is native to Mexico, Guatemala, El Salvador, and the western and south-central United States (from California and Oregon east as far as Mississippi). It is present as an introduced species in Hawaii. It can grow in many types of habitat. Lepidium oblongum is an annual herb with a small, branching stem up to 20 or 30 centimeters (8-12 inches) long and coated with hairs. The well-spaced leaves are divided into narrow lobes. The inflorescence is a raceme of tiny flowers made up just of sepals; there is occasionally a vestigial petal mixed in. The flowers yield fruits which are notched capsules 2 or 3 millimeters long. There are two varieties of this plant; one, var. insulare, is known only from coastal California and Baja California. Lepidium oblongum is an annual herb with a small, branching stem up to 20 or 30 centimeters (8-12 inches) long and coated with hairs. The well-spaced leaves are divided into narrow lobes. The inflorescence is a raceme of tiny flowers made up just of sepals; there is occasionally a vestigial petal mixed in. The flowers yield fruits which are notched capsules 2 or 3 millimeters long. There are two varieties of this plant; one, var. insulare, is known only from coastal California and Baja California.
Plant Description
Plant Type
Annual herb

Max. Height
7.9 - 11.8 in (20.1 - 30 cm)

Native Status
Native

Natural Setting
Elevation ?
-47' - 4218'

Annual Precip. ?
2.6" - 41.2"

Summer Precip. ?
0.14" - 2.01"

Coldest Month ?
37.6° F - 60.2° F

Hottest Month ?
59.3° F - 88.7° F

Humidity ?
0.59 vpd - 40.27 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available


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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