Corpus ID: 55323247

UvA-DARE ( Digital Academic Repository ) Ovules and seeds of Dirachma socotrana ( Dirachmaceae )

@inproceedings{Boesewinkel2004UvADARED,
  title={UvA-DARE ( Digital Academic Repository ) Ovules and seeds of Dirachma socotrana ( Dirachmaceae )},
  author={F. D. Boesewinkel and F. Bouman},
  year={2004}
}
. Dirachma has a bitegmic, crassinuceltate and anatropous ovule with a single median provascular tegumentary bundle. The seed coat is characterized by an exotesta and an endotegmic pigment layer. Although the fruit of Dirachma superficially resembles that of the Geraniaceae s. str., the characters of ovule and seed do not support a relationship with that family. Also a relationship with Barbeyaceae, as suggested by recent rbcL studies, is not supported by seed anatomical characters. The true… Expand

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