The ancestor of your stir-fry might be growing closer than you think. Wild field mustard, or Brassica rapa, is an unassuming plant that reaches a couple of feet tall and produces clusters of small, yellow flowers perched atop spindly green stalks. It is the nearest wild relative to such produce aisle hits as turnips,…
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Source : Climate Change Is Shifting How Plants Evolve. Seed Banks May Have to Adapt, Too
