Unfortunately, there isn't one single, universally accepted term specifically for the study of leaves. However, several botanical disciplines encompass the study of leaves within a broader context. These include:
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Plant Morphology (Phytomorphology): This is the study of the external form and structure of plants, including leaves. While phytomorphology encompasses more than just leaves, their shape, arrangement, and development are certainly part of the study. As mentioned in the reference, "Phytomorphology is the study of the physical form and external structure of plants." Therefore, studying leaf shape and structure falls under this discipline.
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Plant Anatomy: The internal structure of plants, including leaves, is studied in plant anatomy. This involves microscopic analysis of leaf tissues, such as the epidermis, mesophyll, and vascular bundles. This area focuses on how leaves are built internally.
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Plant Physiology: This branch examines the functions of plant parts, including the roles leaves play in photosynthesis, transpiration, and gas exchange. This field studies what leaves do.
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Botany: In general, leaves are included in the overall study of plants, making it part of general botany studies.
Therefore, to answer what specifically the study of leaves is called, the best answer is that is encompasses aspects of plant morphology, plant anatomy, plant physiology, and general botany.
