荞麦的形态特征具有较大的变异范围,它的生产率也是不稳定的。在1984～1987年,对波兰、日本和苏联的品种共调查了2000个植株,性状包括花被大小、雌蕊长度、千粒重(克)、花序数和分枝数。结果表明,不管是什么品种,长柱花的花被总是比短柱花的花被 Buckwheat morphological characteristics have a larger range of variation, its productivity is not stable. In 1984-1987, a total of 2000 plants were surveyed in Poland, Japan and the Soviet Union. The traits included the size of the perianth, the length of the pistil, the weight of one thousand kernels, the number of inflorescences and the number of branches. The results show that, regardless of the species, the perianth of the long-column flowers is always narrower than the short-thimble flowers