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<p>The present study aims to investigate the anatomical and micromorphological characteristics of <i>Iphigenia mysorensis</i>. Cross sections were stained with safranin and toluidine blue and then mounted with glycerine. The stem shows a wavy outline having a single-layer epidermis with a thick cuticle, followed by hypodermis consisting of chlorenchyma and sclerenchyma cells and limited vascular bundles scattered below the sclerenchyma tissue. Prominent large pith is existing in the middle. Cross sections of leaves show the upper and lower epidermal cells, covered with thick cuticles. The mesophyll tissue consists of parenchyma cells. Large bundle sheaths are present on the midnerve. The epidermal cells are rectangular with a size of 311 ± 30.35 × 33 ± 2.77&#xa0;µm and 337.5 ± 71.19 × 22.5 ± 1.2&#xa0;µm on adaxial and abaxial surfaces respectively. The stomata are anomocytic type, and the average size in is 40.5 ± 1.2 × 30.5 ± 0.89&#xa0;µm, and 39 ± 0 × 24 ± 1.38&#xa0;µm on adaxial and abaxial surfaces respectively. SEM micrograph of pollen grains is monosulcate, prolate, and the exine with microreticulate projections. The size ranges from 21.08 to 22&#xa0;µm long in polar length and 18 to 18.10&#xa0;µm long in equatorial length. The SEM micrograph of the seed surface is reticulate. <i>I. mysorensis</i> exhibits distinct anatomical traits such as limited vascular bundles and well-defined pith region in cross section of stem, with micromorphological features including reticulate seed surface, epidermal cell structure, and stem cross-sections with prominent pith, may aid in distinguishing species within the genus and structural adaptational studies.</p>

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Anatomical and Micromorphological Features of an Endemic Geophyte Iphigenia mysorensis (Colchicaceae)

  • 期刊论文

  • 发表日期：

    2026年4月17日

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  • L. John Peter Arulanandam,
  • P. Raja,
  • S. Soosairaj,
  • R. Ambigadevi

摘要

The present study aims to investigate the anatomical and micromorphological characteristics of Iphigenia mysorensis. Cross sections were stained with safranin and toluidine blue and then mounted with glycerine. The stem shows a wavy outline having a single-layer epidermis with a thick cuticle, followed by hypodermis consisting of chlorenchyma and sclerenchyma cells and limited vascular bundles scattered below the sclerenchyma tissue. Prominent large pith is existing in the middle. Cross sections of leaves show the upper and lower epidermal cells, covered with thick cuticles. The mesophyll tissue consists of parenchyma cells. Large bundle sheaths are present on the midnerve. The epidermal cells are rectangular with a size of 311 ± 30.35 × 33 ± 2.77 µm and 337.5 ± 71.19 × 22.5 ± 1.2 µm on adaxial and abaxial surfaces respectively. The stomata are anomocytic type, and the average size in is 40.5 ± 1.2 × 30.5 ± 0.89 µm, and 39 ± 0 × 24 ± 1.38 µm on adaxial and abaxial surfaces respectively. SEM micrograph of pollen grains is monosulcate, prolate, and the exine with microreticulate projections. The size ranges from 21.08 to 22 µm long in polar length and 18 to 18.10 µm long in equatorial length. The SEM micrograph of the seed surface is reticulate. I. mysorensis exhibits distinct anatomical traits such as limited vascular bundles and well-defined pith region in cross section of stem, with micromorphological features including reticulate seed surface, epidermal cell structure, and stem cross-sections with prominent pith, may aid in distinguishing species within the genus and structural adaptational studies.