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Planta

, Volume 57, Issue 6, pp 699–712 | Cite as

Plastid behavior in North AmericanEuoenotheras

  • Ralph E. Cleland
Article

Summary

Extensive records of plastid behavior in the North American euoenotheras by the writer and students support in general the conclusions of Stubbe regarding the number of plastid and genome classes and their behavior relative to each other, except that our findings do not make it necessary to distinguish between classes II and III as defined byStubbe.

Clarification of the plastid situation in the North American euoenotheras and their European derivatives makes it easier to visualize the precise manner in which the present groups of races in North America have come into existence. Parviflora I and parviflora II no doubt arose as a result of crosses between population 1 as female and populations 2 and 3 respectively as male.Biennis arose through hybridization between population 2 as female and population 3 as male. It has not been determined which population served as the female and which as the male parent in the crosses between populations 3 and 4 that gave rise to the strigosas.

Keywords

North America Clarification Male Parent Present Group Precise Manner 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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Copyright information

© Springer-Verlag 1962

Authors and Affiliations

  • Ralph E. Cleland
    • 1
  1. 1.Botany DepartmentIndiana UniversityBloomingtonUSA

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