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Early Angiosperm Evolution

The origin and early evolution of angiosperms

Trithuria submersa (Hydatellaceae) growing in vitro

 

 

A priority for this project is to develop evo-devo studies on the early-divergent angiosperm family Hydatellaceae. Planned work on Hydatellaceae aims to establish the family as a model organism for early angiosperm evolution. This work involves a collaborative network. Kew maintains close links with palaeobotanists who work on the relationships and structures of selected extinct seed-plant groups to allow direct comparison of angiosperm structures with those of other seed plants.

 

 

Key publications 2006-2011 

  • Rudall, P.J., Sokoloff, D.D., Remizowa, M.V.,Conran, J.G., Davis, J.I., Macfarlane, T.D., & Stevenson, D.W. (2007). Morphology of Hydatellaceae, an anomalous aquatic family recently recognized as an early-divergent angiosperm lineage. American Journal of Botany 94: 1073–1092.
  • Sokoloff, D.D., Remizowa, M.V., Macfarlane, T.D., Tuckett, R.E., Ramsay, M.M., Beer, A.S., Yadav S.R. & Rudall, P.J. (2008). Seedling diversity in Hydatellaceae: implications for the evolution of angiosperm cotyledons. Annals of Botany 101:153–164.
  • Rudall, P.J., Remizowa, M.V., Prenner, G., Prychid, C.A., Tuckett, R. & Sokoloff, D.D. (2009). Non-flowers near the base of extant angiosperms? Spatiotemporal arrangement of organs in reproductive units of Hydatellaceae, and its bearing on the origin of the flower. American Journal of Botany 96: 67–82.
  • Warner, K.A., Rudall, P.J.,& Frohlich, .W. (2009). Environmental control of sepalness and petalness in perianth organs of waterlilies – a new Mosaic Theory on the evolutionary origin of a differentiated perianth. Journal of Experimental Botany 60: 3559–3574.
  • Rudall, P.J., Eldridge, T., Tratt, J., Smith, S.Y., Ramsay, M.M., Tuckett, R.E., Collinson, M.E., Remizowa, M.V. & Sokoloff, D.D. (2009). Seed fertilization, development and germination in Hydatellaceae (Nymphaeales): implications for endosperm evolution in early angiosperms. American Journal of Botany 96: 1581–1593.
  • Vialette-Guiraud, A.C.M., Alaux, M., Legeai, F., Finet, C., Chambrier, P., Brown, S., Chauvet, A., Magdalena, C., Rudall, P.J. and Scutt, C.P. (2011). Cabomba as a model for studies of early angiosperm evolution. Annals of Botany xx: xxx–xxx.[doi:10.1093/aob/mcr088.
     

Project partners and collaborators

UK

Jason Hilton (University of Birmingham)

Brazil

M. Graça Sajo (UNESP)

France

Charles Scutt (University of Lyons)

Russia

Dmitry Sokoloff,  Margarita Remizowa (University of Moscow)

Project funders

UK

Bentham-Moxon Trust

Royal Society

Annex material

Annex 1:

Recent relevant papers

(pdf)

Project team

Jodrell Laboratory

Richard Bateman (Honorary Research Associate), Michael Frohlich (Honorary Research Associate), Chryssie Prychid, Paula Rudall

Science Teams: