Lagerstroemia indica - L.
Crapemyrtle
Other English Common Names: Crepe Myrtle, India Crapemyrtle
Other Common Names: crapemyrtle
Taxonomic Status: Accepted
Related ITIS Name(s): Lagerstroemia indica L. (TSN 27110)
Unique Identifier: ELEMENT_GLOBAL.2.137524
Element Code: PDLYT07010
Informal Taxonomy: Plants, Vascular - Flowering Plants - Loosestrife Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Myrtales Lythraceae Lagerstroemia
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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: Lagerstroemia indica
Conservation Status
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NatureServe Status

Global Status: GNR
Global Status Last Changed: 22Mar1994
Rounded Global Status: GNR - Not Yet Ranked
Nation: United States
National Status: NNA

U.S. & Canada State/Province Status
United States Alabama (SNA), Arkansas (SNA), Florida (SNA), Georgia (SNR), Indiana (SNA), Kentucky (SNA), Louisiana (SNA), Maryland (SNA), Mississippi (SNA), North Carolina (SNA), South Carolina (SNA), Tennessee (SNA), Texas (SNA), Virginia (SNA)

Other Statuses

NatureServe Global Conservation Status Factors

Other NatureServe Conservation Status Information

Distribution
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U.S. States and Canadian Provinces
Color legend for Distribution Map
NOTE: The distribution shown may be incomplete, particularly for some rapidly spreading exotic species.

U.S. & Canada State/Province Distribution
United States ALexotic, ARexotic, FLexotic, GA, INexotic, KYexotic, LAexotic, MDexotic, MSexotic, NCexotic, SCexotic, TNexotic, TXexotic, VAexotic

Range Map
No map available.

Ecology & Life History Not yet assessed
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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)
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Disclaimer: While I-Rank information is available over NatureServe Explorer, NatureServe is not actively developing or maintaining these data. Species with I-RANKs do not represent a random sample of species exotic in the United States; available assessments may be biased toward those species with higher-than-average impact.

I-Rank: Medium/Insignificant
Rounded I-Rank: Unknown
I-Rank Reasons Summary: It is unknown if this taxon is present in natural areas. It does spread from original plantings in cultivated situations, suggesting the probability that the taxon occurs outside of cultivation. However, it is not associated with significant negative effects, either at an ecosystem level or by a high current range.
Subrank I - Ecological Impact: Low/Insignificant
Subrank II - Current Distribution/Abundance: Medium/Insignificant
Subrank III - Trend in Distribution/Abundance: Medium/Insignificant
Subrank IV - Management Difficulty: Unknown
I-Rank Review Date: 22Jun2004
Evaluator: Fellows, M.
Native anywhere in the U.S?
Native Range: China and Korea, first introduced in 1747 (Dirr 1990).

Download "An Invasive Species Assessment Protocol: Evaluating Non-Native Plants for their Impact on Biodiversity". (PDF, 1.03MB)
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Screening Questions

S-1. Established outside cultivation as a non-native? YES
Comments: (Kartesz 1999).

S-2. Present in conservation areas or other native species habitat? Unknown

Subrank I - Ecological Impact: Low/Insignificant

1. Impact on Ecosystem Processes and System-wide Parameters:Low significance/Insignificant
Comments: No mention of changes in abiotic ecosystem processes or system-wide parameters found in the literature; assumption is that any alterations are not significant or major/irreversible.

2. Impact on Ecological Community Structure:Not ranked
Comments: Perennial shrub or small tree (Kartesz 1999) from 18 inches to 45 feet (Dirr 1990).

3. Impact on Ecological Community Composition:Low significance/Insignificant
Comments: No mention of changes in abiotic ecosystem processes or system-wide parameters found in the literature; assumption is that any alterations are not significant or major/irreversible

4. Impact on Individual Native Plant or Animal Species:Low significance/Insignificant
Comments: No mention of changes in abiotic ecosystem processes or system-wide parameters found in the literature; assumption is that any alterations are not significant or major/irreversible

5. Conservation Significance of the Communities and Native Species Threatened:Low significance/Insignificant
Comments: No mention of changes in abiotic ecosystem processes or system-wide parameters found in the literature; assumption is that any alterations are not significant or major/irreversible

Subrank II. Current Distribution and Abundance: Medium/Insignificant

6. Current Range Size in Nation:Medium/Low significance
Comments: Southeastern US from Florida to Texas, north to Indiana and Maryland (Kartesz 1999).

7. Proportion of Current Range Where the Species is Negatively Impacting Biodiversity:Low significance/Insignificant
Comments: Assumed since Lagerstroemia indica is not on any state lists, nor on www.invasive.org, nor reported to have any significant ecosystem-level effects (see subrank I-Rank Ecol. Impacts).

8. Proportion of Nation's Biogeographic Units Invaded:Moderate significance
Comments: Potential in 26 ecoregions in the southeastern US (inferred from Kartesz 1999 and TNC 2001). Known to occur in at least 6 ecoregions based on county distribution (NRCS 2004; Wunderlin and Hansen 2004).

9. Diversity of Habitats or Ecological Systems Invaded in Nation:Unknown

Subrank III. Trend in Distribution and Abundance: Medium/Insignificant

10. Current Trend in Total Range within Nation:Medium significance/Insignificant
Comments: No mention of invasive tendencies in the literature, therefore assumed to not be an an aggressive spreader.

11. Proportion of Potential Range Currently Occupied:Low significance
Comments: Hardy in zones 7 to 9 (Dirr 1990), limiting it's potential range to to the current area of occupancy, southern California, Hawaii, Oklahoma, Arizona and New Mexico. There are various reports on the Internet (2004) of plants in gardens in all these states. May also occur up the west coast to Oregon and Washington (Gilman 1999).

12. Long-distance Dispersal Potential within Nation:High significance
Comments: Widely used ornamental plant with many cultivars (Dirr 1990). Used as highway plantings in the southeast (Floridata 2004).

13. Local Range Expansion or Change in Abundance:Unknown

14. Inherent Ability to Invade Conservation Areas and Other Native Species Habitats:Low significance
Comments: Reported to germinate and establish in yards (Floridata 2004).

15. Similar Habitats Invaded Elsewhere:Unknown

16. Reproductive Characteristics:Low significance
Comments: Produce seed that may or may not require a dormant period up to 45 days (Dirr 1990). Seed may be abundant, resulting in unwanted seedlings in yards (Floridata 2004).

Subrank IV. General Management Difficulty: Unknown

17. General Management Difficulty:Not ranked

18. Minimum Time Commitment:Not ranked

19. Impacts of Management on Native Species:Not ranked

20. Accessibility of Invaded Areas:Not ranked
Authors/Contributors
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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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  • Dirr, M.A. 1990. Manual of Woody Landscape Plants. Stipes Publishing Company, Champaign, Illinois. 1007 pp.

  • Floridata. 2004.10266 Rebel Circle, Tallahassee, Florida 32305. ONLINE www.floridata.com. Accessed, 2004.

  • Gilman, E. F. 1999. Lagerstroemia indica 'Potomac'. Fact Sheet FPS-318, adapted from a series by the Environmental Horticulture Department, University of Florida for the United States Forest Service.

  • 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.

  • 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.

  • Little, E.L., Jr. 1979. Checklist of United States trees (native and naturalized). Agriculture Handbook No. 541. U.S. Forest Service, Washington, D.C. 375 pp.

  • The Nature Conservancy. 2001. Map: TNC Ecoregions of the United States. Modification of Bailey Ecoregions. Online . Accessed May 2003.

  • USDA, NRCS. 2004. The PLANTS Database, Version 3.5 (http://plants.usda.gov) . National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

  • Wunderlin, R. P., and B. F. Hansen. 2004. Atlas of Florida Vascular Plants. [S. M. Landry and K. N. Campbell (application development), Florida Center for Community Design and Research.] Institute for Systematic Botany, University of South Florida, Tampa. Online. Available: http://www.plantatlas.usf.edu.

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