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<p>Jasmine is widely used in the aromatic industries and the pharmacological, phytochemical and cosmetic sectors. Applied studies of wild plants with proper identification are becoming increasingly common globally. A detailed taxonomic description of three wild jasmines is given, including domatia characters, foliar epidermal characteristics (crystals, epidermal cell wall patterns, trichomes) and venation types. New localities were discovered, which significantly extended their distribution in India. A taxonomic key for the identification of the study species and related, potentially confusable Indian members of <i>Jasminum</i> sect. <i>Unifoliolata</i> and sect. <i>Trifoliolata</i> is given. The morphological identification is supported by molecular attributes. The molecular phylogeny of the species studied and their closest taxa based on the Internal Transcribed Spacer (ITS) region of nuclear-ribosomal DNA is provided. Species-specific nucleotide variations are highlighted. Phylogenetic analyses revealed five major clades that were consistent with morphological characteristics. <i>Jasminum azoricum</i> and <i>J</i>. <i>malabaricum</i> are reported here from new sites in India beyond Western Ghats, while <i>J</i>.&#xa0;<i>adenophyllum</i> is reported here outside of Assam. The present work focused on the domatia identified in <i>J</i>.&#xa0;<i>azoricum</i> and <i>J</i>.&#xa0;<i>flexile</i> and key differentiation characters.</p>

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Significantly extended distribution range of three Jasminum species (Oleaceae) in India, with morphological and molecular markers for their identification

  • 期刊论文

  • 发表日期：

    2025年3月11日

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  • Keya Modak,
  • Bikram Saha,
  • Monoranjan Chowdhury

摘要

Jasmine is widely used in the aromatic industries and the pharmacological, phytochemical and cosmetic sectors. Applied studies of wild plants with proper identification are becoming increasingly common globally. A detailed taxonomic description of three wild jasmines is given, including domatia characters, foliar epidermal characteristics (crystals, epidermal cell wall patterns, trichomes) and venation types. New localities were discovered, which significantly extended their distribution in India. A taxonomic key for the identification of the study species and related, potentially confusable Indian members of Jasminum sect. Unifoliolata and sect. Trifoliolata is given. The morphological identification is supported by molecular attributes. The molecular phylogeny of the species studied and their closest taxa based on the Internal Transcribed Spacer (ITS) region of nuclear-ribosomal DNA is provided. Species-specific nucleotide variations are highlighted. Phylogenetic analyses revealed five major clades that were consistent with morphological characteristics. Jasminum azoricum and J. malabaricum are reported here from new sites in India beyond Western Ghats, while J. adenophyllum is reported here outside of Assam. The present work focused on the domatia identified in J. azoricum and J. flexile and key differentiation characters.