Plant Characteristics

A list of specialist words which might be used in field guides ... more.

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I

Idioblast :	Small structure, generally of unknown of unspecified function, different in form from adjacent tissues; often referred to as 'gland
Parent Term:	Gland_dots
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Imbricate :	Overlapping like tiles on a roof.
Parent Term:	Aestivation
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Imparipinnate :	(Pinnate leaf) with leaflets that are not all paired (leaflets either alternate, or opposite except for a solitary terminal leaflet
Parent Term:	Pinnate_leaf
Child Terms:	Imparipinnate_(2n+1) Imparipinnate__(alt)
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Imparipinnate a (alternate or almost so) :	-
Parent Term:	Imparipinnate
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Imparipinnate 2n+1 (lflets paired except terminal) :	-
Parent Term:	Imparipinnate
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Impressed :	Raised line or ridge (of nerves, etc.) which lies as if pressed into the surface which bears it. Sharply impressed means the depres
Parent Term:	Vein_prominence
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Incised :	Margins sharply and deeply cut, usually jaggedly.
Parent Term:	Serrated
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Incrassate :	Thickened.
Parent Term:	Texture
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Indehiscent :	(Fleshy fruit) not splitting open at maturity, e.g. drupe or berry. Opposite of dehiscent.
Parent Term:	Fruit_type
Child Terms:	Baccate Berry Drupe Drupe-like Nut Drupaceous
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Indumentum :	The covering of hairs (or other epidermal appendages, e.g. scales) of a plant.
Parent Term:	Hairs
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Indumentum (hairs etc) :	-
Parent Term:	Hairs

Indurate :	Hardened.
Parent Term:	Texture
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Inermous :	Unarmed. Without prickles or spines.
Parent Term:	Spines__prickles_etc
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Inferior Ovary :	Ovary developing below the point of insertion of petals, etc.; often becoming fruit with calyx remaning at top.
Parent Term:	Ovary
Plural:	Inferior ovaries
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Inflorescence :	-
Parent Term:	Flower_&_fruit
Child Terms:	Inflorescence_type Inflorescence_part
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Inflorescence part :	-
Parent Term:	Inflorescence
Plural:	Inflorescence parts
Child Terms:	Bract Bracteole Spadix Involucre Peduncle Spathe Peduncle
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Inflorescence type :	Several/many flowers arranged on a single leafless axis, and maybe including bracts and bracteoles
Parent Term:	Inflorescence
Plural:	Inflorescence types
Child Terms:	Capitulum Catkin Corymb Cyme Dichasium Head Monochasium Panicle Spike Umbel Capitate Fascicle Fasciculate Raceme Secund
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Inflorescence, Infructescence :	-
Parent Term:	Flower_&_fruit

Infraspecific :	Of lower taxonomic rank than species.
Parent Term:	Taxonomy
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Infructescence :	-
Parent Term:	Flower_&_fruit
Synonyms:	Inflorescence with fruits
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Infructescence see Inflorescence fruits :	-
Parent Term:	Flower_&_fruit

Internode :	Part of stem between nodes.
Parent Term:	Stem
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Interpetiolar :	(Stipules) on the stem between the two petioles of opposite leaves.
Parent Term:	Node
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Intrapetiolar :	(Stipules) on the stem sandwiched between a petiole and the stem, in the leaf axil.
Parent Term:	Position

Involucre :	A whorl or cup of bracts subtending a flower or inflorescence.
Parent Term:	Inflorescence_part
Plural:	Involucres
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Involute :	-
Parent Term:	Margin_of_leaf_blade_(3d)
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Isotype :	A specimen which is a duplicate of the holotype, i.e. part of the same collection.
Parent Term:	Type_specimen
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