circumscription
Noun
Meaning
An inscription written around anything.
The exterior line which determines the form or magnitude of a body; outline; periphery.
The act of limiting, or the state of being limited, by conditions or restraints; bound; confinement; limit.
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The new phyletic approach changed the way that taxonomists considered plant classification, incorporating evolutionary information into their schemata, but this did little to further define the circumscription of Dioscoreaceae.
Authors have disagreed on the circumscription of Mentha.
Both the Lililiales order and the Liliaceae family have had a widely disputed history, with the circumscription varying greatly from one taxonomist to another.
Its circumscription was typically: * order Polygonales *: family Polygonaceae In these systems the order is placed close to the order Caryophyllales (or its predecessor Centrospermae ).
Since the APG II system was published in 2003, minor changes to the circumscription of the order have been made.
The circumscription of the genus has varied widely.