Development of ovule, embryo sac, and endosperm in Triteleia (Themidaceae) relative to taxonomy.

@article{Berg2003DevelopmentOO,
  title={Development of ovule, embryo sac, and endosperm in Triteleia (Themidaceae) relative to taxonomy.},
  author={Rolf Y Berg},
  journal={American journal of botany},
  year={2003},
  volume={90 6},
  pages={937-48}
}
Six of 14 species of Triteleia were studied. All possess septal nectaries, raphides in the ovary wall, an anatropous and crassinucellate ovule with a micropyle formed by the inner integument only, and parietal cells. A short and thick nucellus, which is not penetrated by the embryo sac, has a one-layered apical epidermis and thickens from its subepidermal layer. The permanently two-layered inner integument is made up of normal, i.e., not greatly enlarged, cells. The embryo sac is of the… CONTINUE READING