Amarylloidinae is a now obsolete informal name for an "infrafamily" within the

Amaryllidaceae The Amaryllidaceae are a family of herbaceous, mainly perennial and bulbous (rarely rhizomatous) flowering plants in the monocot order Asparagales. The family takes its name from the genus ''Amaryllis'' and is commonly known as the amaryllis fa ...

(Amaryllis) family, erected by

Hamilton Traub Hamilton Paul Traub (June 18, 1890 – July 14, 1983) was an American botanist. He specialized in the study of Amaryllidaceae. He also did horticultural studies on beans. dr Traub was one of the founding members of the American Amaryllis Society (n ...

. This grouping was designed to fill a perceived gap between the formal

rank Rank is the relative position, value, worth, complexity, power, importance, authority, level, etc. of a person or object within a ranking, such as: Level or position in a hierarchical organization * Academic rank * Diplomatic rank * Hierarchy * H ...

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...

and

tribes The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English is in the discipline of anthropology. This definition is contested, in part due to conflic ...

. In his treatment of this family, he divided it first into four subfamilies. Within subfamily

Amarylloideae Amaryllidoideae (Amaryllidaceae ''s.s.'', amaryllids) is a subfamily of monocot flowering plants in the family Amaryllidaceae, order Asparagales. The most recent APG classification, APG III, takes a broad view of the Amaryllidaceae, which then h ...

he then divided his sixteen tribes into two infrafamilies, Amarylloidinae (12 tribes) and Pancratioidinae (4 tribes), both of which were subsequently demonstrated to be

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 hence were abandoned by Dahlgren, who used no rank between family and tribe. On the other hand, he also used a much more restricted Amaryllidaceae corresponding to Traub's subfamily Amarylloideae. Thus Traub's Amarylloideae most closely resembles subfamily

Amaryllidoideae Amaryllidoideae (Amaryllidaceae ''s.s.'', amaryllids) is a subfamily of monocot flowering plants in the family Amaryllidaceae, order Asparagales. The most recent APG classification, APG III, takes a broad view of the Amaryllidaceae, which then ...

sensu ''Sensu'' is a Latin word meaning "in the sense of". It is used in a number of fields including biology, geology, linguistics, semiotics, and law. Commonly it refers to how strictly or loosely an expression is used in describing any particular co ...

APGIII The APG III system of flowering plant classification is the third version of a modern, mostly molecular-based, system of plant taxonomy being developed by the Angiosperm Phylogeny Group (APG). Published in 2009, it was superseded in 2016 by a fu ...

. Of these infrafamilies, the smaller Pancratioidinae represents the

Andean The Andes, Andes Mountains or Andean Mountains (; ) are the List of mountain ranges#Mountain ranges by length, longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range i ...

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, ...

of Amaryllidoideae ''sensu'' APGIII, together with the

Pancratieae Pancratieae are a small European tribe of subfamily Amaryllidoideae (family Amaryllidaceae), consisting of two genera including the type genus In biological taxonomy, the type genus is the genus which defines a biological family and the root ...

from the

Eurasian Eurasia (, ) is the largest continental area on Earth, comprising all of Europe and Asia. Primarily in the Northern and Eastern Hemispheres, it spans from the British Isles and the Iberian Peninsula in the west to the Japanese archipelago ...

clade, hence the paraphyly. For a table of Traub's infrafamilies and tribes, and their subsequent disposition, see Subdivision of Amaryllidoideae.

References

Bibliography

* * , in .
(additional excerpts)
* * {{refend Amaryllidoideae Historically recognized angiosperm taxa