THE REPRODUCTIVE BIOLOGY OF RHUS INTEGRIFOLIA AND RHUS OVATA (ANACARDIACEAE)

@article{Young1972THERB,
  title={THE REPRODUCTIVE BIOLOGY OF RHUS INTEGRIFOLIA AND RHUS OVATA (ANACARDIACEAE)},
  author={David A. Young},
  journal={Evolution},
  year={1972},
  volume={26}
}
  • D. Young
  • Published 1 September 1972
  • Biology, Medicine
  • Evolution
Rhus integrijolia (Nutt. ex. T. & G.) Benth. and Hook. ex. Rothr. and Rhus ovata \Vats. are perennial shrubs of the coastal sage scrub and chaparral communities of coastal southern and Baja California (Munz, 1949). Rhus ovata occurs also in western and central Arizona. Usually the two species are described as polygamodioecious (Barkley, 1937; Munz and Keck, 1959). However, several populations of the two taxa have been found which more closely approach a gynodioecious breeding system… 
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References

SHOWING 1-10 OF 17 REFERENCES
THE GENETICS AND EVOLUTION OF GYNODIOECY
TLDR
The female condition still persisted and bred true in Satureia hortensis and Circium oleraceum, and has now become one of the classical examples of a character under the control of a permanent cytoplasmic particle or plasmagene.
THE BIOTA OF LONG‐DISTANCE DISPERSAL. IV. GENETIC SYSTEMS IN THE FLORAS OF OCEANIC ISLANDS
  • S. Carlquist
  • Environmental Science
    Evolution; international journal of organic evolution
  • 1966
TLDR
The data and commentary below have been presented as a means of suggesting the significance of such phenomena as the high degree of dioecism on islands, polymorphism of insular species, etc, in what may be called the "insular syndrome" of interrelated evolutionary phenomena.
EVOLUTION OF DIOECY FROM GYNODIOECY
  • M. D. Ross
  • Medicine
    Evolution; international journal of organic evolution
  • 1970
TLDR
Long's citation of Bader's conclusions as a criticism of my weighting procedure appears to depend tacitly on an assumption fairly widely made by biologists: that the coefficient of variation is the only meaningful way to measure variability in organisms.
THE EVOLUTION OF SEX IN FLOWERING PLANTS
1. The importance of combined genetic and systematic analysis of sex for its evolutionary interpretation has long been understood in animals. It now seems possible to make ah evolutionary
Outbreeding and Separation of the Sexes
TLDR
GAMETIC DIFFERENTIATION and SEPARation of the sex lives of men and women is compared to that of boys and girls in Europe and the Middle East.
Sexual Dimorphism in Labiatae
TLDR
In the course of genetical studies of gynodiœcy in members of the Labiatae, some observations are made on the orign of this size difference in the case of Glechoma hederacea L.
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