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  1. Auxin - Wikipedia

    Auxins (plural of auxin / ˈɔːksɪn /) are a class of plant hormones (or plant-growth regulators) with some morphogen -like characteristics. Auxins play a cardinal role in coordination of many …

  2. 4.4.1: Auxin - Biology LibreTexts

    The most important auxin produced by plants is indole-3-acetic acid (IAA). It undergoes both polar (unidirectional) and nonpolar transport. Key functions include mediating tropisms, growth and …

  3. Auxin | Definition, Functions, & Uses | Britannica

    Auxin, any of a group of plant hormones that regulate growth, particularly by stimulating cell elongation in stems. Auxins also play a role in cell division and differentiation, in fruit …

  4. Auxin - an overview | ScienceDirect Topics

    Auxin is a plant phytohormone involved in practically every dimension of plant development, including responses to light and gravity, organ patterning, vascular development and …

  5. What Are the Functions of Auxin in Plants? - Biology Insights

    Jun 27, 2025 · Auxin is a class of plant hormones that directs many aspects of plant growth and development. This hormone group influences how a plant develops its structure and responds …

  6. Mechanisms of auxin action in plant growth and development

    May 19, 2025 · The phytohormone auxin coordinates plant growth by forming local maxima and gradients through cell-to-cell transport and metabolic control.

  7. The Science Behind Auxin and Stem Formation | Live to Plant

    Jul 8, 2025 · Auxin is a group of plant hormones that regulate various aspects of growth and behavior in plants. The most common and well-studied auxin is indole-3-acetic acid (IAA).

  8. Understanding Auxins: Classification, Types, Biosynthesis, and …

    Mar 6, 2025 · Auxins can be classified into two main types: natural auxins and synthetic auxins. Natural auxins, such as indole-3-acetic acid (IAA), are produced by plants, while synthetic …

  9. Auxin - GeeksforGeeks

    Jul 23, 2025 · Auxin is a plant hormone. Auxin hormone function is to control growth and developmental processes in plants, including cell expansion, root initiation, and bud and flower …

  10. Auxin – Definition, Structure, and Function - Science Facts

    Feb 17, 2023 · An auxin is a group of growth hormones found in all plant tissues in varying concentrations. The name of this class of hormone comes from the Greek word ‘ auxein ‘, …