Glossary

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Titlesort descending Description
Immarginate Without a distinct edge
Immature A young bird no longer under parental care but not yet old enough to breed; a bird that is not yet fully adult. 
Incubation Patch A de-feathered area on the lower abdomen in which the skin has thickened and become rich with blood vessels.
Indehiscent Not opening or splitting to release the contents at maturity.
Inferior (of ring) positioned below mid-height on the stem
Inflorescence The total flower, including the bracts.
Infundibuliform Funnel-shaped (sometimes prefixed by sub*- to mean almost or not quite funnel shaped)
Innate Bedded in, inseparable
Intercalary Between two cells
Internode A stem section between two nodes.
Introduced Brought into an area by human or other means.
Involucral bract A bract forming part of an involucre.
Involucre A closely-packed ring or group of bracts immediately below a flower or inflorescence, as in members of the Composite family such as Hawkweeds and Thistles.
Iodoform Smelling of iodine (alternative - a crystalline conpound of iodine, used as an antiseptic)