, Volume 20, Issue 3, pp 197–201 | Cite as

Predictions of fate from rosette size in teasel (Dipsacus fullonum L.)

  • Patricia A. Werner


In field populations of the biennial plant (Dipsacus fullonum L.) the probability that an individual will die, remain vegetative, or flower during a particular growing season is highly correlated with the size of its vegetative rosette at the end of the growing season of the preceding year. Further, a rosette forms a flowering stalk only after attaining a critical size. Correlations of various plant fates with rosette size are independent of rosette age; hence size provides better predictions of plant fate than age.


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Copyright information

© Springer-Verlag 1975

Authors and Affiliations

  • Patricia A. Werner
    • 1
    • 2
  1. 1.Department of Botany and Plant PathologyMichigan State UniversityEast Lansing
  2. 2.the Kellogg Biological StationMichigan State UniversityEast Lansing

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