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Dermatologically active sesquiterpene lactones in trichomes ofParthenium hysterophorus L. (Compositae)

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Summary

Scanning electron microscopy of the leaf surface, phyllaries and achene-complex ofParthenium hysterophorus L. showed the presence of 4 types of glandular and non-glandular trichomes. Chemical analysis established the presence of sesquiterpene lactones in the trichomes that cause eczematous dermatitis.

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Authors and Affiliations

  1. Department of Botany, University of Texas, 78712, Austin, Texas, USA

    E. Rodríguez, M. O. Dillon & T. J. Mabry

  2. Dermatology Research, Shaughnessy Hospital, Vancouver, B. C., Canada

    E. Rodríguez, M. O. Dillon, T. J. Mabry & J. C. Mitchell

  3. Department of Botany, University of British Columbia, Vancouver, B. C., Canada

    E. Rodríguez, M. O. Dillon, T. J. Mabry & G. H. N. Towers

Authors
  1. E. Rodríguez
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  2. M. O. Dillon
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  3. T. J. Mabry
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  4. J. C. Mitchell
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  5. G. H. N. Towers
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Additional information

Acknowledgments. We thank Dr.Garry Cole, University of Texas, for the use of the AMR-1000 Scanning electron microscope andJudy Stevenson for technical assistance. The work at the University of Texas was supported by the National Science Foundation (Grant No. BMS 71-01088) and the Robert A. Welch Foundation (Grant No. F-130).

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Rodríguez, E., Dillon, M.O., Mabry, T.J. et al. Dermatologically active sesquiterpene lactones in trichomes ofParthenium hysterophorus L. (Compositae). Experientia 32, 236–238 (1976). https://doi.org/10.1007/BF01937785

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