Seed fertilization, development, and germination in Hydatellaceae (Nymphaeales): Implications for endosperm evolution in early angiosperms.

@article{Rudall2009SeedFD,
  title={Seed fertilization, development, and germination in Hydatellaceae (Nymphaeales): Implications for endosperm evolution in early angiosperms.},
  author={Paula J Rudall and Tilly Eldridge and Julia Tratt and Margaret M. Ramsay and Renee E. Tuckett and Selena Y Smith and Margaret E. Collinson and Margarita V. Remizowa and Dmitry D Sokoloff},
  journal={American journal of botany},
  year={2009},
  volume={96 9},
  pages={
          1581-93
        }
}
New data on endosperm development in the early-divergent angiosperm Trithuria (Hydatellaceae) indicate that double fertilization results in formation of cellularized micropylar and unicellular chalazal domains with contrasting ontogenetic trajectories, as in waterlilies. The micropylar domain ultimately forms the cellular endosperm in the dispersed seed. The chalazal domain forms a single-celled haustorium with a large nucleus; this haustorium ultimately degenerates to form a space in the… CONTINUE READING
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