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  • Ined

    Placed after a taxon name to mean ineditus, ‘unpublished’.  

  • Indusium

    (In ferns) a thin flap of tissue covering the sorus when young (and sometimes also when old); A cup covering the stigma (as in Goodeniaceae). (Of stinkhorns) A lacy veil that hangs down from the cap.  

  • Indurescent

    Becoming hardened.  

  • Indurate, indurated

    Hardened.  

  • Induplicate

    (In sepals or petals) the margins folded inwards but not overlapping; (In palms) V-shaped in cross-section. With the edges turned inward. Curved inwards but not overlapping or v-shaped in cross-section, usually with reference to margins.  

  • Indument, indumentum

    Indument, indumentum

    Any covering of hairs or scales; indumentum is the preferred term. The covering of plant parts, usually hairs or scales.  

  • Indigo

    Indigo

    (Colour) deep blackish-blue (from the dye obtained from Indigofera species). Group of plants that yield a blue dye. A blue dye obtained from plants or made synthetically.  

  • Indigenous

    Indigenous

    Occurring naturally in the area. A native of the country in which it is found. Natural or inborn. Native to or representative of a country or region. Of plant species in relation to any country or geographical region: native to that region—that is, growing there in the wild and believed always to have occurred there…

  • Indicator

    (Usually followed by ‘species’), any plant or taxon that is thought to show a condition of the environment (e.g. a copper indicator or an indicator of human disturbance). Usually refers to a pH indicator. Various dyes change color at a specific degree of acidity or alkalinity, and this color change is used as an indicator…

  • Indeterminate

    (Of a shoot) capable of ± indefinite extension; (Of an inflorescence) with the lower or outer flowers opening before the upper or inner ones, and with the floral axis continuing to grow indefinitely.  

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