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Impressed
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Sunk below the surface as if pressed in; e.g., some leaf veins in relation to the rest of the leaf surface. Compare with immersed. |
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Impressed
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Sunken below the surface as if pressed in; e.g., some leaf or seed veins in relation to the rest of the leaf or seed surfaces. |
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Included
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Not protruding from a structure, such as the stamens from the corolla. Opposite of exserted. |
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Incross
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In flowering plants, the production of viable seed by the movement of pollen from one flower to another flower of the same plant.. |
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Indehiscent
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Not opening; usually applied to fruits that remain closed at maturity. Opposite of dehiscent. |
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Indehiscent fruit
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Referring to a fruit that does not open via an operculum. |
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Indeterminate
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Referring to an inflorescences whose main axis continues to grow; i.e., is not terminated by a flower (e.g., a raceme); referring to the compound leaf of Guarea (Meliaceae) in which the tip of the rachis has the potential to continue growing. |
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Indeterminate inflorescence
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Referring to an inflorescences whose main axis continues to grow; i.e., is not terminated by a flower (e.g., a raceme or spike); also referring to the compound leaf of Guarea (Meliaceae) in which the tip of the rachis has the potential to continue growing |
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Index Herbariorum
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a href="https://sweetgum.nybg.org/science/ih/"Index Herbariorum/a (the abbreviation is IH) provides codes (called acronyms) for the herbaria of the world with more than 5,000 specimens. In addition, it gives the essential information about the number of specimens, important collections, a list of staff, and a summary of the specialties of the herbaria and their staff. The IH is published electronically which enables updating the information periodically and allows for the data to be retrieved through searches. For example, assume that a user wanted to find out if there were specialists in Sapotaceae, he or she could type the family name into the specialty box and Sapotaceae specialists in all registered herbaria will be listed. The current manager of IH is Dr. Barbara Thiers, the Director Emerita of the Herbarium of The New York Botanical Garden. Please contact bthiers@nybg.org for all IH inquiries. |
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Indusium (plural = indusia)
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Usually referring to the protective covering of the sporangia of some ferns, but sometimes used to refer to other structures; e.g., the stylar outgrowth of species of Goodeniaceae. |
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Indusium false (plural = indusia false)
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Referring to an indusium formed by the enrolled leaf margins of a fern. |
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Inferior ovary
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An ovary in which the floral parts (calyx, corolla, and stamens) arise from the summit; e.g., in Rubiaceae and Asteraceae. |
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Inflorescence
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The structure in which the flower or flowers are displayed on a plant. |
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Inflorescence
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The structure in which the flower or flowers are displayed on a plant. |
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Infra adjacent secondary vein
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Referring to the relationship of two secondary veins, in this case referring to a secondary vein that is below another (i.e., in a basal or proximal position in relationship to the other). |
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Infracalycine zone
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The area between the calycine ring and the pedicel scar in a fruit of Lecythidaceae. |
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Infracalycine zone rounded
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The infracalycine zone is rounded from the calycine ring to the pedicel scar thereby giving the fruit a cup-like shape. |
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Infracalycine zone tapered
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The infracalycine zone tapers from the calycine ring to the hypanthium/pedicel |
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Infracalycine zone truncate
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An ovary or a fruit which abruptly turns inward from the calycine rim to the pedicel/hypanthium. Same as truncate fruit. |
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Infrafoliar inflorescence
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An inflorescence that arises from the branches (ramiflorous) or trunk (cauline) below the leaves. |
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Infraspecific variation
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Morphological and anatomical variation with a species. |
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Infructescence
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The structure in which fruits are displayed on a plant. |
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Infundibular
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Usually referring to a corolla in the shape of a funnel but can also be applied to other structures with a similar shape.See funnelform. |
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Inner bark
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The functional phloem that occupies the region between the most recent periderm and the vascular cambium. |
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Inner bark
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All tissure surrounding the trunk and stems from the vascular cambium inward, i.e., the living bark tissue. |
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