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Nasturtium gambelii
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Gambel's Water Cress
( Nasturtium gambelii )
Nasturtium gambelii
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Gambel's Water Cress (Nasturtium gambelii)
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Nasturtium gambellii (syn. Rorippa gambellii) is a rare species of flowering plant in the mustard family known by the common names Gambel's yellowcress and Gambel's watercress. It is known from three or four scattered occurrences in California. It has been reported to exist in central Mexico and Guatemala, but these reports remain unconfirmed and in need of further investigation. Its total U. S. population was last estimated at fewer than 300 individuals. It was federally listed as an endangered species of the United States in 1993. Some sources spell the epithet with a single "l" as "gambelii," others with a double "ll" as "gambellii. " Watson, in the original 1876 publication, spelled it with a double "l" and stated that it was named after "Gambell," collector of the type specimen. The collector was in fact William Gambel. Section 60. 7 of the ICN states that such errors in the spelling of personal names is to be corrected only in the case of the omission of the final letter of the person's name. This is not what happened here. Watson added an extra letter rather than deleting a letter. Hence Watson's error must stand uncorrected in the scientific epithet, though no such rules apply to the common name.
Plant Description
Plant Type
Perennial herb
Wildlife Supported
Butterflies & moths hosted ( 3
likely
* )
SHOW ALL
*
Margined White
Pieris marginalis
Pieris marginalis
*
Ni Moth
Trichoplusia ni
Trichoplusia ni
*
Soybean Looper Moth
Chrysodeixis includens
Chrysodeixis includens
Landscaping Information
Natural Setting
Climate
Annual Precipitation: 13.1" - 15.9", Summer Precipitation: 0.19" - 0.34", Coldest Month: 47.6" - 55.7", Hottest Month: 66.0" - 79.3", Humidity: 0.90" - 26.29", Elevation: 17" - 1295"
Alternative Names
Common Names
: Gambel's Watercress, Gambel's Yellowcress
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Gambel's Water Cress
Nasturtium gambelii
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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