Hymenocallideae is a
tribe
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 language, English is in the discipline of anthropology. This definition is contested, in p ...
(in the family
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 ...
, 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 ...
), where it forms part of the Andean
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, ...
, one of two American clades. The tribe was originally recognised by both
Meerow
Alan W. Meerow is an American botanist, born in New York City in 1952. He specializes in the taxonomy of the family Amaryllidaceae and the horticulture of palms and tropical ornamental plants. He also works on the population genetics and mole ...
(1995) and the
Muller-Doblies' (1996). Its phylogenetic position within the Amaryllidoideae was established by Meerow ''et al.'' in 2000, while in-depth infratribal relationships were established in 2002.
Taxonomy
The Müller-Doblies' (1996) considered this assemblage as a subtribe, Hymenocallidinae, of tribe
Eucharideae
''Eucharideae'' is a tribe of plants within the family Amaryllidaceae. It was augmented in 2000 by Meerow ''et al.'' following a molecular phylogenetic study that revealed that many elements of the tribe Stenomesseae segregated with it, rathe ...
, prior to Meerow and Snijman (1998) separating them into their own tribes.
Phylogeny
The placement of Hymenocallideae within subfamily Amaryllidoideae is shown in the following cladogram, where this tribe is shown as a
sister group
In phylogenetics, a sister group or sister taxon, also called an adelphotaxon, comprises the closest relative(s) of another given unit in an evolutionary tree.
Definition
The expression is most easily illustrated by a cladogram:
Taxon A and t ...
to Clinantheae.
Subdivision
Three genera:
* ''
Hymenocallis
''Hymenocallis'' (US) or , p. 76 (UK) is a genus of American plants in the amaryllis family.
''Hymenocallis'' contains more than 60 species of herbaceous bulbous perennials native to the southeastern United States, Mexico, Central America, ...
'' Type
* ''
Ismene
In Greek mythology, Ismene (; grc, Ἰσμήνη, ''Ismēnē'') is the daughter and half-sister of Oedipus, daughter and granddaughter of Jocasta, and sister of Antigone, Eteocles, and Polynices. She appears in several plays of Sophocles: at the ...
''
* ''
Leptochiton''
References
Bibliography
*
*
*
(excerpts)*
*
*
*
*
*
*
*
*
External links
{{Taxonbar, from=Q10529260
Amaryllidoideae
Asparagales tribes