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Amargosa Nitrophila
Nitrophila mohavensis
About Amargosa Nitrophila (Nitrophila mohavensis) 0 Nurseries Carry This Plant Nitrophila mohavensis is a rare species of flowering plant in the amaranth family known by the common name Amargosa niterwort. It is endemic to Nye County in southwestern Nevada and Inyo County, in eastern California. Nitrophila mohavensis is endemic to the Amargosa Desert, straddling the border of California and Nevada east of Death Valley and near Death Valley National Park. There are three occurrences known on the Nevada side and fewer than five occurrences in California. The plant grows only in alkaline salt pans made up of moist and drying, salt-encrusted clay soils surrounded by other halophytes, such as Atriplex confertifolia and Cleomella brevipes. Nitrophila mohavensis, the Amargosa niterwort, is a petite rhizomatous perennial herb growing no more than about 10 centimeters tall. It produces erect branches, often in pairs, covered in fleshy oval-shaped green leaves 3 or 4 millimeters long. The inflorescence is a solitary flower or cluster of a few flowers emerging from between the leaves. The flower lacks petals but has pink petallike sepals which fade white with age. Nitrophila mohavensis is a federally listed endangered species. Its range is restricted and highly localized, making it vulnerable to severe losses or extinction in a single event. The plant only occurs within and around the remnants of Carson Slough in the Ash Meadows area, including within Ash Meadows National Wildlife Refuge which is a protected area but is still affected by alterations in the hydrology of the landscape. The plant relies on saturation of its soil by a high water table, and the main threat to its existence is the pumping of groundwater. Other threats include potassium and zeolite mining in the area and occasional illegal off-road vehicle use.
Plant Description
Plant Type
Plant Type
Perennial herb

4 in tall

Flower Color
Flower Color
Pink, White

Landscaping Information
Natural Setting
Annual Precipitation: 4.0" - 4.3", Summer Precipitation: 0.63" - 1.00", Coldest Month: 49.0" - 57.8", Hottest Month: 81.4" - 85.2", Humidity: 7.72" - 38.56", Elevation: 1258" - 2081"

Alternative Names
Common Names: Amargosa Alkaliplant, Amargosa Niterwort

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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