Mitosis in the Microspore of Encephalartos barteri Carruth.

@article{BERRIE1959MitosisIT,
  title={Mitosis in the Microspore of Encephalartos barteri Carruth.},
  author={GEOFFREY K. BERRIE},
  journal={Nature},
  year={1959},
  volume={183},
  pages={834-835}
}
THE haploid chromosome number of Encephalartos barteri, observed at the first division of the microspore nucleus, is 9. The chromosomes are large; the largest is about 20µ long, the smallest about 10µ long. One of the longest chromosomes has a trabant (Fig. 1). The haploid number of 9 chromosomes has already been found in the six other species of the same genus which have been examined, and in species of Zamia, Bowenia, Dioon and Macrozamia1. 

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