Coreopsideae is a tribe of flowering plants belonging to the Asteroideae subfamily.[1] It includes widely cultivated genera such as Cosmos and Dahlia.
A similar group has been recognized since 1829, generally as part of the tribe Heliantheae (Cassini, 1819).[2] In the late 20th century, molecular studies caused a slightly redefined version of this group to be recognized as its own tribe, Coreopsideae.[2] The larger version of Heliantheae was split into tribes including Bahieae, Chaenactideae, Coreopsideae, Helenieae and, finally, Heliantheae (sensu stricto).[3] Within the tribe, the traditional definition of genera based on flower and fruit characters does not reflect evolutionary relationships as inferred through molecular phylogenetics.[4]
The tribe is characterized by shiny green bracts 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.[5] It includes five genera that use C4 carbon fixation: Chrysanthellum, Eryngiophyllum, Glossocardia (including Guerreroia), Isostigma, and Neuractis. These genera are thought to share a common ancestor and thus a single origin of C4 carbon fixation.[6]
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Coreopsideae is a tribe of flowering plants belonging to the Asteroideae subfamily. It includes widely cultivated genera such as Cosmos and Dahlia. A similar...
keys to four sections with 34 species in the genus Dahlia (Asteraceae-Coreopsideae). Nordic Journal of Botany, 24: 549–553. doi: 10.1111/j.1756-1051.2004...
the Coreopsideae tribe. Within that tribe it is the second largest genus, after Coreopsis, and appears as a well defined clade within the Coreopsideae. Sherff...
Mort. (2005). Phylogeny of Eastern North American Coreopsis (Asteraceae-Coreopsideae): insights from nuclear and plastid sequences, and comments on character...
(2005). "Phylogeny of Eastern North American Coreopsis (Asteraceae-Coreopsideae): insights from nuclear and plastid sequences, and comments on character...
[...] Gran edicion Melchert TE (1990). "Cosmos caudatus (Asteraceae: Coreopsideae) in Mexico: a cytotaxonomic reappraisal". Phytologia. 69 (3). USA: 200–215...
(2005), "Phylogeny of Eastern North American Coreopsis (Asteraceae-Coreopsideae): insights from nuclear and plastid sequences, and comments on character...
(2005). "Phylogeny of Eastern North American Coreopsis (Asteraceae-Coreopsideae): insights from nuclear and plastid sequences, and comments on character...
(Tageteae) – 7 C4 species, 2–3 origins (also includes C3 and intermediate) Coreopsideae – 41 C4 species Pectis (Tageteae) – 90 C4 species The borage family Boraginaceae...
"Studies of Neotropical Compositae–XI. The new generic name Electranthera (Coreopsideae)" (PDF), Phytoneuron, 2015–68: 1–17, retrieved 2024-05-13 v t e...
Rudbeckia, and Zinnia. Some authors separate Coreopsis and Cosmos into the Coreopsideae tribe. In contrast to the benefits brought by the group, some are problematic...
Guadalupe; Castro-Castro, Arturo (2018). "Dahlia tamaulipana (Asteraceae, Coreopsideae), a new species from the Sierra Madre Oriental biogeographic province...
Mesfin, T.; Crawford, D. (December 2015). "STUDIES OF NEOTROPICAL COMPOSITAE–XI. THE NEW GENERIC NAME ELECTRANTHERA (COREOPSIDEAE)". Phytoneuron. v t e...
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