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Barnadesioideae

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Barnadesioideae
Chuquiraga oppositifolia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Barnadesioideae
K.Bremer & R.K.Jansen
Tribe: Barnadesieae
D.Don
Genera[1]

Barnadesioideae is a subfamily of flowering plants in the aster family, Asteraceae. It comprises a single tribe, the Barnadesieae. The subfamily is endemic to South America. Molecular evidence suggests it is a basal clade within the family,[2][3] and it is monophyletic.[4]

The subfamily includes species of annual and perennial herbs, shrubs, and trees up to 30 meters tall. Most are likely pollinated by hummingbirds.[4]

Phylogeny

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Genetic analysis has included increasing numbers of taxa and involved a growing number of genes. The relationships of the genus Schlechtendalia could so far not be resolved. The following tree reflects the current scientific insights and Schlechtendalia can be found in two possible positions.[4]

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Some species from subfamily Barnadesioideae
Some species from subfamily Barnadesioideae, left–right: Schlechtendalia luzulifolia, Chuquiraga spinosa, Archidasyphyllum diacanthoides, Dasyphyllum capitulum, Dasyphyllum lanceolatum, Arnaldoa macbrideana, Chuquiraga oppositifolia, Chuquiraga jussieui.

References

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  1. ^ Stuessy, Tod F.; Urtubey, Estrella; Gruenstaeudl, Michael (2009). "Barnadesieae (Barnadesioideae)". In Funk, Vicki A.; Susanna, Alfonso; Stuessy, Tod F.; Bayer, Randall J. (eds.). Systematics, Evolution, and Biogeography of Compositae. International Association for Plant Taxonomy. pp. 215–228. ISBN 978-3-9501754-3-1.
  2. ^ Urtubey, E. and T. F. Stuessy. (2001). New hypotheses of phylogenetic relationships in Barnadesioideae (Asteraceae) based on morphology. Taxon 50(4) 1043–66.
  3. ^ Timme, R. E., et al. (2007). A comparative analysis of the Lactuca and Helianthus (Asteraceae) plastid genomes: identification of divergent regions and categorization of shared repeats. American Journal of Botany 94(3) 302–12.
  4. ^ a b c Gruenstaeudl, Michael; Urtubey, Estrella; Jansen, Robert K.; Samuel, Rosabelle; Barfuss, Michael H.J.; Stuessy, Tod F. (2009). "Phylogeny of Barnadesioideae (Asteraceae) inferred from DNA sequence data and morphology". Molecular Phylogenetics and Evolution. 51 (3): 572–87. doi:10.1016/j.ympev.2009.01.023. PMID 19264147.

Media related to Barnadesioideae at Wikimedia Commons

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