Amsinckia carinata - A. Nels. & J.F. Macbr.
Malheur Valley Fiddleneck
Other Common Names: Malheur Valley fiddleneck
Taxonomic Status: Accepted
Related ITIS Name(s): Amsinckia carinata A. Nels. & J.F. Macbr. (TSN 182240)
Unique Identifier: ELEMENT_GLOBAL.2.159258
Element Code: PDBOR01140
Informal Taxonomy: Plants, Vascular - Flowering Plants - Borage Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Lamiales Boraginaceae Amsinckia
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Amsinckia carinata
Taxonomic Comments: Per J. Kagan the Jepson Manual submerged this species (listed it as synonym of Amsinckia vernicosa var. vernicosa) without seeing any recent specimens. The USFWS followed Jepson Manual's treatment and dropped A. carinata from candidate status. Bob Meinkie at Oregon State Univ. has written a paper to ressurect it, but this is unpublished as of 10/96.
Conservation Status
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NatureServe Status

Global Status: G2
Global Status Last Reviewed: 26Sep1997
Global Status Last Changed: 19Jan1996
Rounded Global Status: G2 - Imperiled
Reasons: Six occurrences are known. At these few sites, the plants may be numerous in years of adequate rainfall. This species was thought to be extinct; it had not been seen since 1896 when it was rediscovered in 1984. It is intolerant of disturbance and is threatened by grazing and agriculture.
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 Oregon (S2)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Limited to the Harper Valley area of Malheur River, in northern Malheur county, Oregon. The range is restricted to about 26 square miles.

Area of Occupancy: 1-5 4-km2 grid cells
Area of Occupancy Comments: About 40 ha (99 acres).

Number of Occurrences: 6 - 20
Number of Occurrences Comments: Six occurrences known, rediscovered in June 1984.

Population Size Comments: Plants are numerous at sites in years with average rainfall.

Number of Occurrences with Good Viability/Integrity: Few (4-12)
Viability/Integrity Comments: Five of the six occurrences appear to be of good or better viability

Overall Threat Impact Comments: Grazing, agriculture, range improvements and general surface disturbance, limited substrate.

Short-term Trend: Unknown
Short-term Trend Comments: Populations fluctuate dependent on growing conditions.

Long-term Trend: Decline of <30% to increase of 25%

Intrinsic Vulnerability Comments: Intolerant of disturbance.

Environmental Specificity: Unknown

Other NatureServe Conservation Status Information

Distribution
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Global Range: Limited to the Harper Valley area of Malheur River, in northern Malheur county, Oregon. The range is restricted to about 26 square miles.

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

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
OR Malheur (41045)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
17 Lower Malheur (17050117)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: An annual herb, 1-3 dm tall, entirely covered with bristly hairs. Produces deep yellow or orange flowers and smooth, shiny nutlets (in flower and fruit late spring-early summer).
General Description: Annual herb about 4"-12" tall, bristly, hairy, and unbranched. Flowers are deep yellow or orange, about 3/8" long and arranged in a coil. The fruits (nutlets) are smooth, lustrous, dark gray, with some darker markings, no smaller than 3/16". The nutlet is roundish, but slightly concave on one side, with a sharp ridge on the other side.
Technical Description: Erect, bristly annual herb, 1-3 dm tall tall; leaves pustulate hairy, middle and upper ones lanceolate to narrowly ovate, 4-8 cm long; inflorescence a coiled cyme; calyx of unequal sepals, bistly, 5-6 mm to 16 mm in fruit; corolla deep yellow or orange, 10-11 mm long; nutlets lustrous, smooth, very dark gray with a few darker markings, not less than 5 mm long, the angles obtuse (almost rounded), the back somewhat concave but with raised, rounded ridge, ventral surface sharply keeled. (Meinke, 1982)
Duration: ANNUAL
Terrestrial Habitat(s): Bare rock/talus/scree
Habitat Comments: About 1100 m elevation on hills composed of light-colored, welded tuff with occassional pockets of deep black soil. (These are in contrast to the basalt rimrocks that dominate the region.) Associated with Mojave saltbush (Atriplex spinosa) and fox-tail barley (Hordeum jubatum). At lower elevations and in disturbed areas, it is replaced by the much more widespread species tessellate fiddleneck (Amsinckia tessellata).
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: 30Oct1995
NatureServe Conservation Status Factors Author: Roth, E., and E. Joyal, rev. Maybury/Kagan (1996), rev. OR Heritage (2006)

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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  • Joyal, E. 1984. The rediscovery of Amsinckia carinata. Bull. Native Plant Society, Oregon 17(9): 6-7.

  • Joyal, E. 1985. Noteworthy collections: Oregon. Madrono 32: 124-125.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Meinke, R.J. 1990. Amsinckia carinata status survey, inventory and biology. Oregon Dept. of Agriculture. Draft report for the BLM.

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