The metric of natural selection is the relative number of offspring produced by competing genotypes of sand verbena. Genes that had been rare produce more seeds, making those genes more common. Sand ...
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Growing verbena from seed – here is everything you need to knowVerbena is one of the most popular perennials and for good reason, blooming through spring and summer right up until the ...
Sand verbena, Abronia fragrans, has a moth pollination syndrome, or a suite of floral characters modified by natural ...
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