Proboscidea sabulosa - Correll
Dune Unicorn-plant
Taxonomic Status: Accepted
Related ITIS Name(s): Proboscidea sabulosa Correll (TSN 504616)
Unique Identifier: ELEMENT_GLOBAL.2.141702
Element Code: PDPED06050
Informal Taxonomy: Plants, Vascular - Flowering Plants - Other flowering plants
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Scrophulariales Pedaliaceae Proboscidea
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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: Proboscidea sabulosa
Conservation Status
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NatureServe Status

Global Status: G3
Global Status Last Reviewed: 16Jan2002
Global Status Last Changed: 07Feb1996
Rounded Global Status: G3 - Vulnerable
Reasons: In 1990, Proboscidea sabulosa was known from 15 occurrences in New Mexico and about 8 in Texas (Sivinski & Cully, 1990). Thorough inventory via access to private property in west Texas during an appropriately wet season might reveal additional locations and provide reasoning for re-ranking to G4.
Nation: United States
National Status: N3

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 New Mexico (S3), Texas (S2)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Sivinski & Cully (1990) considered Proboscidea sabulosa a regional endemic of the central Rio Grande Valley in New Mexico and the Pecos River Valley in New Mexico and west Texas. It is known from Andrews, Crane, Loving, Ward and Winkler counties in Trans-Pecos Texas; Eddy, Lea, Harding, Quay, and Socorro counties, New Mexico; and near Samalayuca in northern Chihuahua (Sivinski & Cully, 1990; Henrickson & Johnston, in prep.).

Number of Occurrences: 21 - 80
Number of Occurrences Comments: This species is ranked S3 in New Mexico and S2 in Texas; in 1990, the total number of known occurrences in the two states was about 23 (Sivinski & Cully, 1990). Additional field research and access would doubtless increase that number, but fewer than 100 occurrences are anticipated.

Overall Threat Impact Comments: Sivinski & Cully (1990) found few threats to the continued existence of this taxon. In their experience, it is capable of colonizing mechanically disturbed sites and other early successional habitats. As with any annual capable of colonization of "new" habitats, some occurrences can be expected to disappear with the passage of time while others will appear in newly-appropriate habitats.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Sivinski & Cully (1990) considered Proboscidea sabulosa a regional endemic of the central Rio Grande Valley in New Mexico and the Pecos River Valley in New Mexico and west Texas. It is known from Andrews, Crane, Loving, Ward and Winkler counties in Trans-Pecos Texas; Eddy, Lea, Harding, Quay, and Socorro counties, New Mexico; and near Samalayuca in northern Chihuahua (Sivinski & Cully, 1990; Henrickson & Johnston, in prep.).

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 NM, TX

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
NM Bernalillo (35001), De Baca (35011), Eddy (35015), Lea (35025), Roosevelt (35041), Socorro (35053)
TX Andrews (48003), Crane (48103)*, Loving (48301)*, Ward (48475)*, Winkler (48495)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
12 Yellow House Draw (12050001)+
13 Rio Grande-Albuquerque (13020203)+, Rio Salado (13020209)+*, Jornada Del Muerto (13020210)+, Taiban (13060004)+, Upper Pecos-Black (13060011)+, Lower Pecos-Red Bluff Reservoir (13070001)+, Landreth-Monument Draws (13070007)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: This is a coarse spreading annual with large ovate viscid leaves and stems, short axillary inflorescences somewhat concealed among the larger leaves, and tubular, cream-to-purplish flowers. It is conspicuous in flower and not likely to be overlooked. A line drawing appears in New Mexico Native Plant Protection Advisory Committee (1984); a color photograph appears in Warnock (1974).
Habitat Comments: Proboscidea sabulosa occurs in deep, dry to seasonally moist, loose sands of a Quaternary wind-blown sand sheet, usually on sparsely-vegetated unstabilized dunes and in openings in Havard oak (Quercus havardii) shinneries. It also occurs as a successional species in fallow fields (Sivinski & Cully, 1990). Common associates include Abronia fragrans, Andropogon hallii, Artemisia filifolia, Cenchrus incertus, Chloris cucullata, Heliotropium convolvulaceum, Oryzopsis hymenoides, Palafoxia sphacelata, Prosopis glandulosa, Sporobolus giganteus, Sporobolus cryptandrus and Yucca elata (Sivinski & Cully, 1990).
Economic Attributes
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Economically Important Genus: Y
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: 10Mar1999
NatureServe Conservation Status Factors Author: Carr, Bill.

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
Help
  • Henrickson, J., and M.C. Johnston. In prep. A flora of the Chihuahuan Desert region.

  • 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.

  • Poole, Jackie M., W. R. Carr, D. M. Price, and J. R. Singhurst. 2007. Rare plants of Texas. Texas A&M University Press, College Station. 640 pp.

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