Saltugilia latimeri - T.L. Weese & L.A. Johnson
Taxonomic Status: Provisionally accepted
Unique Identifier: ELEMENT_GLOBAL.2.735738
Element Code: PDPLM0H010
Informal Taxonomy: Plants, Vascular - Flowering Plants - Phlox Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Solanales Polemoniaceae Saltugilia
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Concept Reference
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Concept Reference: Weese, T. L. and L. A. Johnson. 2001. Saltugilia latimeri: a new species of Polemonianceae. Madrono 48(3):198-204.
Concept Reference Code: A01WEE01HQUS
Name Used in Concept Reference: Saltugilia latimeri
Conservation Status
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NatureServe Status

Global Status: G2
Global Status Last Reviewed: 02Jun2005
Global Status Last Changed: 02Jun2004
Rounded Global Status: G2 - Imperiled
Reasons: Saltugilia latimeri was described in 2001, and is endemic to California. It is known primarily from San Bernardino and Riverside counties with outlyer populations in Kern and Inyo counties. There is a disjunct population in Inyo County, some 120 miles from the other known occurrences. As of 2005, there were 16 occurrences known of this species (CNDDB, 2005). It occurs on dry, desert slopes of coarse sandy to rocky soils and is known from elevations between 400-1900m. It flowers from April to early June. Threats are not well identified and trends are assumed to be stable.
Nation: United States
National Status: N2

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States California (S3)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: This species is known from the Joshua Tree Wilderness Area at the border between San Bernardino and Riverside Counties, in the foothills of the Little San Bernardino, San Bernardino and the Santa Rosa Mountains, in the Granite Mountains of central San Bernardino County and one disjunct location from Panamint Mountains in Inyo County. The disjunct population is 120 miles from the others (Weese and Johnson 2001). An estimated areal extent is approximately 3250 sq miles, not counting the disjunct population.

Area of Occupancy: 3-500 4-km2 grid cells
Area of Occupancy Comments: While the range extent is far reaching, the area of occupancy is confined to an area in central to western Riverside and San Bernardino counties. There is a collection of sites in central-eastern San Bernardino county and one disjunct population in Inyo County (Weese and Johnson 2001). In 2005, CNDDB counted up the acreages occupied by the known occurrences with such information available and the result was 1575 acres; this is likely an overestimate of occupied habitat.

Number of Occurrences: 6 - 20
Number of Occurrences Comments: There are currently 16 known occurrences at the CNDDB (2005). This is counted using the quarter mile separation rule.

Population Size Comments: There are no data currently at the CNDDB indicating population numbers (2005).

Number of Occurrences with Good Viability/Integrity: Few (4-12)
Viability/Integrity Comments: None of the occurrences are ranked, but several occur on NPS or USFS lands and it is likely that several are of high quality.

Overall Threat Impact: Medium
Overall Threat Impact Comments: There may be development in parts of this plant's range. However, there is currently no information available to the CNDDB (as of 2005) on threats. General threats are discussed in the 2001 paper by Weese and Johnson. It is therefore assumed that some localized, moderate threat exist.

Short-term Trend: Relatively Stable (<=10% change)
Short-term Trend Comments: No information on trends are available. However, this annual occurs in the desert in fairly dense desert scrub and chaparral and may be more common than we are currently aware. Although there is development in parts of its habitat, there are large tracts of potential habitat in protected areas still to be surveyed. CNDDB estimates short term trend as stable.

Long-term Trend: Decline of <30% to increase of 25%
Long-term Trend Comments: For similar reasons explained under "short term trends", CNDDB estimates long term trend as more or less stable or with slight decline due to desert development in some areas.

Intrinsic Vulnerability Comments: Typical desert annual, but with a fairly small distribution. Apparently not intrinsically vulnerable.

Environmental Specificity: Moderate. Generalist or community with some key requirements scarce.
Environmental Specificity Comments: Saltugilia latimeri grows in dry, desert slopes of coarse sandy to rocky soils at elevations of 400-1900m. Natural community types are either desert scrub or chaparral. Although this habitat description does not seem very specific, S. latimeri is apparently more restricted (judging by herbarium specimen number) than S. australis within the same range. Thus, CNDDB concludes there there is moderate environmental specificity.

Other NatureServe Conservation Status Information

Distribution
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Global Range: This species is known from the Joshua Tree Wilderness Area at the border between San Bernardino and Riverside Counties, in the foothills of the Little San Bernardino, San Bernardino and the Santa Rosa Mountains, in the Granite Mountains of central San Bernardino County and one disjunct location from Panamint Mountains in Inyo County. The disjunct population is 120 miles from the others (Weese and Johnson 2001). An estimated areal extent is approximately 3250 sq miles, not counting the disjunct population.

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States CA

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
CA Inyo (06027)*, Kern (06029), Riverside (06065), San Bernardino (06071)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
18 San Jacinto (18070202)+, Santa Margarita (18070302)+, Death Valley-Lower Amargosa (18090203)+*, Indian Wells-Searles Valleys (18090205)+, Antelope-Fremont Valleys (18090206)+, Mojave (18090208)+*, Southern Mojave (18100100)+, Whitewater River (18100201)+, Salton Sea (18100204)+*
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: Saltugilia latimeri is an herbaceous annual plant growing to 30 cm in height. It is similar to S. australis but is distinguished from it by several morphological characters including stature, corolla throat coloration and exertion and the degree of glandularity (Weese and Johnson 2001). S. latimeri has basal and lower leaves 2x to 3x pinnately divided, a cymose inflorescence, with flowers borne singly or paired. Flowers are small, with petals about 10mm long; the tube is dark purple when fresh; upper throat and lobes are pinkish-lavender. The pollen is blue.
Terrestrial Habitat(s): Desert
Habitat Comments: Dry desert slopes, coarse sand to rocky soils; Elevation: 400-1900 m (Jepson FloraProject 2017).
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 02Jun2004
NatureServe Conservation Status Factors Author: Oliver, L., rev. R. Bittman 2005

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
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  • Jepson Flora Project (eds.) 2015. Jepson Online Interchange for California Floristics. Accessed online: http://ucjeps.berkeley.edu/interchange/ 

  • Weese, T. L. and L. A. Johnson. 2001. Saltugilia latimeri: a new species of Polemonianceae. Madrono 48(3):198-204.

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