''Amyridoideae'' is a subfamily of the family

Rutaceae The Rutaceae is a family, commonly known as the rueRUTACEAE
in BoDD – Botanical Derm ...

. The

circumscription Circumscription may refer to: *Circumscribed circle *Circumscription (logic) *Circumscription (taxonomy) * Circumscription theory, a theory about the origins of the political state in the history of human evolution proposed by the American anthrop ...

of the family has varied considerably. A 2014 classification placed a large proportion of the genera in the family

Rutaceae The Rutaceae is a family, commonly known as the rueRUTACEAE
in BoDD – Botanical Derm ...

in Amyridoideae. A more recent 2021 classification includes only three genera.

Taxonomy

In 2012, based on

molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

methods, Groppo et al. divided Rutaceae into two subfamilies, a small

Cneoroideae Cneoroideae is a subfamily of flowering plants that belongs to the family Rutaceae. The subfamilies Dictyolomatoideae and Spathelioideae are now included in the subfamily Cneoroideae. Taxonomy In 1896, Engler published a division of the family R ...

and a very large subfamily

Rutoideae Rutoideae is a flowering plant subfamily in the family Rutaceae. The subfamily has had varying circumscriptions. In a 2012 classification of the family it was one of only two subfamilies and contained most of the genera, whereas in a 2021 classif ...

''s.l.'' for the all the remaining genera. A 2014 classification by Morton and Telmer added the subfamily

Aurantioideae Aurantioideae (sometimes known as Citroideae) is the subfamily within the rue and citrus family (Rutaceae) that contains the citrus. The subfamily's center of diversity is in the monsoon region of eastern Australasia, extending west through Sout ...

, and split the remaining Rutoideae ''s.l.'' into a smaller Rutoideae and a much larger Amyridoideae ''s.l.'', containing most of the genera Engler had placed in Rutoideae in 1896. Until 2021, molecular phylogenetic approaches had only sampled between 20% and 40% of the genera of Rutaceae. A 2021 study by Appelhans et al. sampled almost 90% of the genera. The two main

clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...

s recognized by Groppo et al. in 2012 were upheld, but Morton and Telmer's Amyridoideae was

polyphyletic A polyphyletic group is an assemblage of organisms or other evolving elements that is of mixed evolutionary origin. The term is often applied to groups that share similar features known as homoplasies, which are explained as a result of converg ...

and did not include the type genus. Applehans et al. divided the family Rutaceae into six subfamilies, including a small subfamily Amyridoideae with only three genera.

Genera

Genera accepted in a 2021 classification of Rutaceae into subfamilies were: *''

Amyris ''Amyris'' is a genus of flowering plants in the citrus family, Rutaceae. The generic name is derived from the Greek word αμ ('), which means "intensely scented" and refers to the strong odor of the resin. Members of the genus are commonly kno ...

'' P.Browne *'' Cneoridium'' Hook.f. *'' Stauranthus'' Liebm.

References

Rutaceae Rosid subfamilies {{Rutaceae-stub