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Index of Subjects At 7:45 AM -0800 11/5/14, Paul MacDonald wrote: >An interesting plant and a good photo Burkhard. >I've seen a lot of blue ones but never a white one. >A very useful if underappreciate plant in NS. >I wonder if this plant is a triploid. It's a perennial diploid, Paul, but it is tristylous, a fairly rare mating system that has three anther and stigma lengths rather than the "pin and thrum" of diploid systems. See http://labs.eeb.utoronto.ca/barrett/pdf/schb_23.pdf for more. The flower colour heritability has been investigated and blue is completely dominant to white (two alleles at a single locus). See http://www.ncbi.nlm.nih.gov/pubmed/17709555 for more. Phil -- Phil Schappert, PhD 27 Clovis Ave. Halifax, NS, B3P 1J3 902-460-8343 (cell) philschappert.ca imaginaturestudio.ca imaginaturestudio.blogspot.ca philschappert.com "Just let imagination lead, reality will follow through..." (Michael Hedges)
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