October 2022
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The Journal of The University of Duhok
This work revealed the anatomical characteristics of the leaf and stem (herbarium speciemen)for one species and two subspecies of perennial ononis genus (ononis sicula), subspecies (ononis spinose leiosperma), and (ononis viscosa breviflora) were first time investigated for the evaluation in term systematic of resemblance and variation in these taxa. The trunk and foliar were prepared for anatomical description by paraffin method. Which shows some differences were the outline and structure of stem and leaf in cross section. Prismatic crystal and tannins are found in all sample stems. The outgrowth from the epidermis are presence in all parts of the taxa; which are multicellular or unicellular and glandular or non-glandullar