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Article

C(4) eudicots are not younger than C(4) monocots.

Journal of experimental botany - 1 May 2011

Christin Pascal-Antoine, Osborne Colin P, Sage Rowan F, Arakaki Mónica, Edwards Erika J

Abstract excerpt

C(4) photosynthesis is a plant adaptation to high levels of photorespiration. Physiological models predict that atmospheric CO(2) concentration selected for C(4) grasses only after it dropped below a critical threshold during the Oligocene (∼30 Ma), a hypothesis supported by phylogenetic and molecular dating analyses. However the same models predict that CO(2) should have reached much lower levels before...

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PMID: 21393383
DOI: 10.1093/jxb/err041

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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