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A Comparative Study Of The Allium Obtusum Comples, William R. Mortola
A Comparative Study Of The Allium Obtusum Comples, William R. Mortola
University of the Pacific Theses and Dissertations
The taxa of the Allium obtusum complex were examined morphologically, chromosomally, and with the use of the scanning electron microscope, Additional field studies included ultraviolet photography, caging experiments, and collection of insect visitors.
Based on the cumulative information gathered during this investigation, of the 7 taxa previously proposed in this complex, 4 are considered to be valid: A. cratericola, A. obtusum, A. tribracteatum, and A. yosemitense, A new variety of A. obtusum, var, robustum is described.
The base chromosome number among all members of the complex is seven, All species are diploid (2n=14), except for one population of A. cratericola …