Coreopsideae is a tribe of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...
s belonging to the
Asteroideae
Asteroideae is a subfamily of the plant family Asteraceae. It contains about 70% of the species of the family. It consists of several tribes, including Astereae, Calenduleae, Eupatorieae, Gnaphalieae, Heliantheae, Senecioneae and Tageteae. Aster ...
subfamily.
It includes widely cultivated genera such as ''
Cosmos
The cosmos (, ) is another name for the Universe. Using the word ''cosmos'' implies viewing the universe as a complex and orderly system or entity.
The cosmos, and understandings of the reasons for its existence and significance, are studied in ...
'' and ''
Dahlia
Dahlia (, ) is a genus of bushy, tuberous, herbaceous perennial plants native to Mexico and Central America. A member of the Asteraceae (former name: Compositae) family of dicotyledonous plants, its garden relatives thus include the sunflower ...
''.
A similar group has been recognized since 1829, generally as part of the tribe
Heliantheae
The Heliantheae (sometimes called the sunflower tribe) are the third-largest tribe in the sunflower family (Asteraceae). With some 190 genera and nearly 2500 recognized species, only the tribes Senecioneae and Astereae are larger. The name is d ...
(
Cassini, 1819).
In the late 20th century, molecular studies caused a slightly redefined version of this group to be recognized as its own tribe, Coreopsideae.
The larger version of Heliantheae was split into tribes including
Bahieae,
Chaenactideae
Chaenactideae is a tribe of flowering plants in the subfamily Asteroideae of the family Asteraceae.
Chaenactideae genera recognized by the Global Compositae Database as of April 2022:
*''Chaenactis''
*''Dimeresia''
*''Orochaenactis
''Oroch ...
, Coreopsideae,
Helenieae and, finally,
Heliantheae
The Heliantheae (sometimes called the sunflower tribe) are the third-largest tribe in the sunflower family (Asteraceae). With some 190 genera and nearly 2500 recognized species, only the tribes Senecioneae and Astereae are larger. The name is d ...
(''sensu stricto'').
Within the tribe, the traditional definition of genera based on flower and fruit characters does not reflect evolutionary relationships as inferred through
molecular phylogenetics
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 ...
.
The tribe is characterized by shiny green
bracts
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or o ...
at the base of the flower head in two rows: an inner row of tightly spaced bracts and an outer row of a smaller number pointing downward.
It includes five genera that use
carbon fixation: ''
Chrysanthellum
''Chrysanthellum'' is a genus of flowering plants in the aster family.
Species
As of 1988;
* '' Chrysanthellum americanum'' (L.) Vatke - Central America, West Indies, Chiapas; naturalized in parts of Asia, Africa, South America
* '' Chrysanthel ...
'', ''
Eryngiophyllum
''Chrysanthellum'' is a genus of flowering plants in the aster family.
Species
As of 1988;
* '' Chrysanthellum americanum'' (L.) Vatke - Central America, West Indies, Chiapas; naturalized in parts of Asia, Africa, South America
* '' Chrysanthel ...
'', ''
Glossocardia'' (including ''Guerreroia''), ''
Isostigma
''Isostigma'' is a genus of South American flowering plants in the daisy family
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. C ...
'', and ''
Neuractis''. These genera are thought to share a common ancestor and thus a single origin of carbon fixation.
Genera
Coreopsideae genera recognized by the Global Compositae Database as of April 2022:
*''
Bidens
''Bidens'' is a genus of flowering plants in the aster family, Asteraceae.[''Bidens''.](_blank)
Flo ...
''
*''
Chrysanthellum
''Chrysanthellum'' is a genus of flowering plants in the aster family.
Species
As of 1988;
* '' Chrysanthellum americanum'' (L.) Vatke - Central America, West Indies, Chiapas; naturalized in parts of Asia, Africa, South America
* '' Chrysanthel ...
''
*''
Coreopsis
''Coreopsis'' () is a genus of flowering plants in the family Asteraceae. Common names include calliopsis and tickseed, a name shared with various other plants.
Description
These plants range from in height. The flowers are usually yellow w ...
''
*''
Cosmos
The cosmos (, ) is another name for the Universe. Using the word ''cosmos'' implies viewing the universe as a complex and orderly system or entity.
The cosmos, and understandings of the reasons for its existence and significance, are studied in ...
''
*''
Cyathomone''
*''
Dahlia
Dahlia (, ) is a genus of bushy, tuberous, herbaceous perennial plants native to Mexico and Central America. A member of the Asteraceae (former name: Compositae) family of dicotyledonous plants, its garden relatives thus include the sunflower ...
''
*''
Dicranocarpus
''Dicranocarpus'' is a genus of flowering plants in the daisy family.
There is only one known species, ''Dicranocarpus parviflorus'', native to Mexico (Coahuila, Durango, Nuevo León, Zacatecas, San Luis Potosí) and the United States (New Mexi ...
''
*''
Diodontium
''Diodontium'' is a genus of flowering plants in the daisy family.
There is only one known species, ''Diodontium filifolium'', native to Australia (Western Australia, Queensland, and Northern Territory
The Northern Territory (commonly abbr ...
''
*''
Ericentrodea''
*''
Fitchia
''Fitchia'' is the scientific name of two genera of organisms and may refer to:
* ''Fitchia'' (bug), a genus of insects in the family Reduviidae
* ''Fitchia'' (plant), a genus of plants in the family Asteraceae
{{Genus disambiguation ...
''
*''
Glossocardia''
*''
Goldmanella
''Goldmanella'' is a genus of flowering plants in the daisy family.
;Species
There is only one known species, ''Goldmanella sarmentosa'', native to Belize, Guatemala, Chiapas
Chiapas (; Tzotzil language, Tzotzil and Tzeltal language, Tzeltal: ...
''
*''
Henricksonia
''Henricksonia'' is a genus of flowering plants in the daisy family.
;Species
There is only one known species, ''Henricksonia mexicana'', native to the State of Durango in Mexico
Mexico (Spanish: México), officially the United Mexican S ...
''
*''
Heterosperma
''Heterosperma'' is a genus of flowering plants in the sunflower family, native to North and South America.
; Species
* '' Heterosperma achaetum'' S.F.Blake - Colombia
* '' Heterosperma diversifolium'' Kunth - Bolivia, Peru, Argentina, Ecuador
...
''
*''
Hidalgoa
''Hidalgoa'' is a genus in the tribe Coreopsideae of the family Asteraceae.[Missou ...](_blank)
''
*''
Isostigma
''Isostigma'' is a genus of South American flowering plants in the daisy family
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. C ...
''
*''
Koehneola''
*''
Moonia''
*''
Narvalina''
*''
Oparanthus
''Oparanthus'' is a genus of flowering plant in the family Asteraceae, native to the islands of French Polynesia.
; Species
* ''Oparanthus albus'' (F.Br.) Sherff - Marquesas
* ''Oparanthus coriaceus'' (F.Br.) Sherff - Rapa Iti
* ''Oparanthus h ...
''
*''
Petrobium''
*''
Pinillosia
''Pinillosia'' is a genus of Caribbean plants in the cosmos tribe within the daisy family.[Selleophytum
Selleophytum is a genus of flowering plants in the tickseed tribe within the daisy family
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Ast ...]
''
*''
Tetraperone
''Tetraperone'' is a genus of flowering plants in the cosmos tribe within the daisy family.
;Species
The only known species is ''Tetraperone bellioides'', native to Cuba
Cuba ( , ), officially the Republic of Cuba ( es, República de Cub ...
''
*''
Thelesperma''
*''
Trioncinia
''Trioncinia'' is a genus of flowering plants in the sunflower family.
; Species
* '' Trioncinia patens'' A.E.Holland & D.W.Butler - Queensland
* '' Trioncinia retroflexa'' (F.Muell.) Veldkamp - Queensland
References
Coreopsideae
Aste ...
''
References
External links
*
*
{{Taxonbar, from=Q1039997
Asteraceae tribes