Sensu is a Latin term meaning "in the sense of". Latin ( lingua Latīna, laˈtiːna is an Italic language, historically spoken in Latium and Ancient Rome. It is used in taxonomy to specify which circumscription of a given taxon is meant, where more than one circumscription has been defined. Taxonomy is the practice and science of classification The word comes from the Greek, taxis (meaning 'order' 'arrangement' and, nomos A taxon (plural taxa) or taxonomic unit, is a name designating an organism or a group of Organisms In Biological nomenclature according to
It is commonly used in the phrase sensu stricto ("in the stricter sense") (abbr. : s. s. ), to specify that the circumscription with the smaller number of members is intended. [1].
For instance : The family Malvaceae s. Malvaceae, or the mallow family, is a family of Flowering plants containing over 200 genera with close to 2300 species s. is cladistically monophyletic. A clade is a taxonomic group comprising a single Common ancestor and all the descendants of that ancestor
The opposite of sensu stricto is sensu lato ("in the wider sense") (abbr. : s. l. ). [2]
For instance : In the broader APG circumscription the family Malvaceae s. The Angiosperm Phylogeny Group, or APG, refers to two international groups of systematic botanists who came together to try to establish a consensus view of the l. includes Malvaceae s. s. and also the families Bombacaceae, Sterculiaceae and Tiliaceae.
In rare cases in which several different circumscriptions have been used, the superlatives sensu strictissimo ("in the strictest sense") and sensu latissimo ("in the widest sense") may be used. In Grammar the superlative of an Adjective or Adverb is the greatest form of adjective or adverb which indicates that something has some feature
Another common usage is in conjunction with an author citation, indicating that the intended circumscription is the one defined by that author. In Botanical nomenclature, author citation refers to citing the person (or group of people who validly published a Botanical name, i For example, the phrase
"Banksia subg. Banksia sensu A. S. George"
specifies Alex George's circumscription of B. subg. Banksia. Alexander Segger George (born 4 April 1939 is a Western Australian Botanist. Banksia subg Banksia is a valid Botanic name for a Subgenus of Banksia.
References
- ^ Sensu stricto. FishBase. FishBase is a comprehensive Database of information about Fish.
- ^ W. Greuter, J. McNeill, F. R. Barrie et al. Regnum Vegetabile Volume 138, International Code of Botanical Nomenclature (St Louis Code). The International Code of Botanical Nomenclature ( ICBN) is the set of rules and recommendations dealing with the formal Botanical names that are given to Koeltz Scientific Books, Königstein. ISBN 3-904144-22-7.
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