PJB-2024-406
Comparative study of morphological, anatomical and molecular attributes and essential oil of Lantana horrida and Lantana camara (Verbenaceae)
Mesfer M. Alqahtani
Abstract
Lantana horrida, which is frequently used as an ornamental, is not as well-known or marketed as L. camara. Lantana horrida. It distributed from West Indies and Mexico to central America. Its habitats include tropical savanna, forests, montane areas, shrublands, and grasslands. To develop effective control strategies, it is crucial to accurately distinguish this species from others within the Lantana genus. This is particularly important given the close resemblance between L. horrida and L. camara. Taxonomic analysis of viable specimens is typically used for this purpose. This study aims to investigate the use of morphological, anatomical, molecular, and chemical features of the leaves from both species to support precise classification. Anatomical research was done on L. horrida and L. camara leaves using light and scanning electron microscopy. The main difference was detected in the petiole, which offered secretory idioblasts in L. horrida. Gel electrophoresis of L. horrida and L. camara total DNA digested by SaII enzyme. There was partial genetic variability between L. horrida and L. camara DNA. Gas chromatography-mass spectrometry (GC-MS) was also used to perform metabolic profiling of the investigated species. Through GC-MS summarizing, 38 compounds were known with clear fluctuations in the extracts for each species. Among them, the naturally occurring bicyclic sesquiterpene b-caryophyllene stood out and could help in the chemical classification of the extracts of the studied species. The b-caryophyllene was 35.9 in L. horrida and 15.4 in L. camara. Identifying internal secretory formations for the first time in this genus was possible. Each species has distinct glandular and non-glandular trichomes and an abaxial surface. These results can help strategies to control L. horrida without affecting L. camara
To Cite this article:
Alqahtani, M.M. Comparative study of morphological, anatomical and molecular attributes and essential oil of Lantana horrida and Lantana camara (Verbenaceae). Pak. J. Bot., 57(5): DOI: http://dx.doi.org/10.30848/PJB2025-5(10)
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