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 amaryl ...

(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 (no ...

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

rank A rank is a position in a hierarchy. It can be formally recognized—for example, cardinal, chief executive officer, general, professor—or unofficial. People Formal ranks * Academic rank * Corporate title * Diplomatic rank * Hierarchy ...

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 botanical subfamily names with "-oideae", and zo ...

and

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

. 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 ha ...

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 that includes organisms with mixed evolutionary origin but does not include their most recent common ancestor. The term is often applied to groups that share similar features known as Homoplasy, homoplasies ...

, 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 (biology), family Amaryllidaceae, Order (biology), order Asparagales. The most recent Angiosperm Phylogeny Group, APG classification, A ...

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. Of these infrafamilies, the smaller Pancratioidinae represents the

Andean The Andes ( ), Andes Mountains or Andean Mountain Range (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long and wide (widest between 18°S ...

clade In biology, a clade (), also known as a Monophyly, monophyletic group or natural group, is a group of organisms that is composed of a common ancestor and all of its descendants. Clades are the fundamental unit of cladistics, a modern approach t ...

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 (''genus typica'') is the genus which defines a biological f ...

from the

Eurasian Eurasia ( , ) is a continental area on Earth, comprising all of Europe and Asia. According to some geographers, physiographically, Eurasia is a single supercontinent. The concept of Europe and Asia as distinct continents dates back to antiq ...

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