Reference : Letters to the twenty-first century botanist. Second series: “what is a seed?”–3. How...
Scientific journals : Letter to the editor
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
Letters to the twenty-first century botanist. Second series: “what is a seed?”–3. How did we get there? Palaeobotany sheds light on the emergence of seed
Meyer-Berthaud, B. [AMAP, CNRS, CIRAD, INRA, IRD, Université de Montpellier, Montpellier, France]
Gerrienne, Philippe mailto [Université de Liège - ULiège > Département de géologie > Evolution and diversity dynamics lab >]
Prestianni, C. [Royal Belgian Institute of Natural Sciences, O.D. Earth and History of Life, Brussels, Belgium]
Botany Letters
Taylor and Francis
Yes (verified by ORBi)
[en] Ovule ; Palaeozoic
[en] This paper discusses the main steps leading to the acquisition, during the Palaeozoic, of the seed habit. The earliest spermatophytes originated in the Late Devonian and produced small cupulate ovules characterized by an elaborated sporangial apex involved in pollination. The diversification of ovules during the Carboniferous led to a wider range of sizes and shapes, and an increasing importance of the integument. The earliest seeds containing embryos are reported in Carboniferous coniferophytes. © 2018, © 2018 Société botanique de France.

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