Lesquerella pulchella - Rollins
Beautiful Bladderpod
Synonym(s): Physaria carinata ssp. pulchella (Rollins) O'Kane ;Physaria pulchella (Rollins) O'Kane & Al-Shebaz
Taxonomic Status: Accepted
Related ITIS Name(s): Lesquerella pulchella Rollins (TSN 507705)
Unique Identifier: ELEMENT_GLOBAL.2.148131
Element Code: PDBRA1N250
Informal Taxonomy: Plants, Vascular - Flowering Plants - Mustard Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Capparales Brassicaceae Lesquerella
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Concept Reference
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Concept Reference: Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.
Concept Reference Code: B99KAR01HQUS
Name Used in Concept Reference: Lesquerella pulchella
Conservation Status
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NatureServe Status

Global Status: G3
Global Status Last Reviewed: 26Dec2012
Global Status Last Changed: 28Nov2011
Ranking Methodology Used: Ranked by calculator
Rounded Global Status: G3 - Vulnerable
Reasons: Montana endemic restricted to Beaverhead county, with limited threats, and spanning large elevation range.
Nation: United States
National Status: N3

U.S. & Canada State/Province Status
United States Montana (S3)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: It is a state endemic restricted to Beaverhead County. It occurs in the Pioneer Mtns., the Grasshopper Creek drainage, and the Centennial Mtns. Beaverhead County, Montana (Rollins 1995).

Number of Occurrences: 21 - 80
Number of Occurrences Comments: There are approximately 30 occurrences.

Population Size Comments: An estimated total of 10,000 to 30,000 individuals have been observed, but total known occupied habitat may be less than 100 acres.

Number of Occurrences with Good Viability/Integrity: Some (13-40)

Overall Threat Impact Comments: The species faces few imminent threats, but mining and spread of exotic species in its habitat are potential threats. Some of the high elevation populations are relatively secure in remote habitat.

Short-term Trend: Unknown
Short-term Trend Comments: This short-lived perennial may be prone to population fluctuations which follow climatic cycles.

Intrinsic Vulnerability Comments: The harsh setting is fairly resilient but the species is likely to be affected by facilitation/competition in changing microhabitat.

Other NatureServe Conservation Status Information

Distribution
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Global Range: It is a state endemic restricted to Beaverhead County. It occurs in the Pioneer Mtns., the Grasshopper Creek drainage, and the Centennial Mtns. Beaverhead County, Montana (Rollins 1995).

U.S. States and Canadian Provinces
Color legend for Distribution Map

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

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
MT Beaverhead (30001)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
10 Red Rock (10020001)+, Beaverhead (10020002)+, Big Hole (10020004)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: A perennial herb with mostly prostrate stems, 2-7 cm long, and with silvery leaves.
General Description: Beautiful Bladderpod is an herbaceous perennial with unbranched, prostrate to ascending stems arising from a branched rootcrown and taproot. The basal leaves have short petioles and elliptic, entire-margined blades. The alternate stem leaves are smaller and lack petioles. The foliage is covered with branched hairs. Yellow, stalked flowers are borne at the tops of the stems in a narrow inflorescence that elongates as the fruit matures. Each flower has 4 separate petals, 4 separate sepals, and 4 long and 2 short stamens. The flattened, broadly elliptic capsules, or siliques, have a keel on each face.
Diagnostic Characteristics: The flattened, unlobed, keeled siliques separate this plant from species of PHYSARIA and LESQUERELLA in our area, except for L. CARINATA, which has narrowly elliptic fruits.
Terrestrial Habitat(s): Barrens, Forest/Woodland, Grassland/herbaceous, Shrubland/chaparral, Woodland - Conifer
Habitat Comments: Restricted to soils and rubble derived from limestone. The substrates are whitish, highly reflective, and they support conspicuously less plant cover than surrounding areas. L. pulchella sites are typically windswept, barren of most other plants, and/or are located in open areas within sparse shrubs and trees. Elevations range from 1920 to about 2925 m.
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: 05Dec2012
NatureServe Conservation Status Factors Author: Beckman, J. (7/96), rev. Maybury (1997), B. Heidel (1999), rev. A. Treher (2012)
Element Ecology & Life History Edition Date: 01Nov1994
Element Ecology & Life History Author(s): JM

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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  • Al-Shehbaz, I. A., and S. L. O'Kane. 2002. Lesquerella is united with Physaria (Brassicaceae). Novon 12:319-329.

  • Al-Shehbaz, I.A., and S.L. O'Kane. 2002. Lesquerella is united with Physaria (Brassicaceae). Novon 12(3): 319-329.

  • Flora of North America Editorial Committee. 2010. Flora of North America North of Mexico. Vol. 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York. xxii + 797 pp.

  • Heidel, B. L. 1993. Status review of LESQUERELLA SP. NOVUM, Dillon Resource Area. Unpublished report to the Bureau of Land Management. Montana Natural Heritage Program, Helena, Montana. 40 pp.

  • Heidel, B. L. 1993. Status review of LESQUERELLA SP. NOVUM, Dillon Resource Area. Unpublished report to the Bureau of Land Management. Montana Natural Heritage Program, Helena, Montana. 40 pp.

  • Heidel, B. L. and J. Vanderhorst. 1996. Sensitive plant surveys in Beaverhead and Madison counties, MT. Unpublished report to the Bureau of Land Management. Montana Natural Heritage Program, Helena, Montana. 85 pp. plus appendices.

  • Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.

  • Rollins, R. C. 1995. Two LESQUERELLAs (Cruciferae) of south central and western Montana. Novon 5(1):71-75.

  • Rollins, R.C. 1995. Two Lesquerellas (Cruciferae) of south central and western Montana. Novon 5(1): 71-75.

  • Schassberger, L. A. 1991. Status review of LESQUERELLA CARINATA and LESQUERELLA PAYSONII. Prepared for the USDA Forest Service, Region 1, Deerlodge National Forest, Montana. Montana Natural Heritage Program, Helena, MT. 40 pp.

  • Schassberger, L. A. 1991. Status review of LESQUERELLA CARINATA and LESQUERELLA PAYSONII. Prepared for the USDA Forest Service, Region 1, Deerlodge National Forest, Montana. Montana Natural Heritage Program, Helena, MT. 40 pp.

  • Vanderhorst, J. 1995. Report on the conservation status of LESQUERELLA CARINATA var. LANGUIDA, a candidate threatened species. Unpublished report to the Bureau of Land Management and the U.S. Fish and Wildlife Service. Montana Natural Heritage Program, Helena, Montana. 56 pp.

  • Vanderhorst, J. 1995. Survey of Bannack State Park and vicinity for Montana plant species of special concern. Unpublished report to Bannack State Park, Montana Department of Fish, Wildlife, and Parks. Montana Natural Heritage Program, Helena, MT. 43 pp.

  • Vanderhorst, J. 1995c. Survey of Bannack State Park and vicinity for Montana plant species of special concern. Unpublished report to Bannack State Park, Montana Department of Fish, Wildlife, and Parks. Montana Natural Heritage Program, Helena, MT. 43 pp.

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