vries

noun

1. Hu·go [hyoo-goh; Dutch hy-goh] /ˈhyu goʊ; Dutch ˈhü goʊ/, 1848–1935, Dutch botanist and student of organic heredity: developed the concept of mutation as a factor in the process of evolution.

noun

1. See De Vries

noun

1. Hugo (ˈhyːxoː). 1848–1935, Dutch botanist, who rediscovered Mendel’s laws and developed the mutation theory of evolution

1. Dutch botanist who studied evolution by observing mutations rather than natural selection. He was an early proponent of the works of Gregor Mendel.