A willow sex chromosome reveals convergent evolution of complex palindromic repeats

Ran Zhou, David Macaya-Sanz, Craig H. Carlson, Jeremy Schmutz, Jerry W. Jenkins, David Kudrna, Aditi Sharma, Laura Sandor, Shengqiang Shu, Kerrie Barry, Gerald A. Tuskan, Tao Ma, Jianquan Liu, Matthew Olson, Lawrence B. Smart & Stephen P. DiFazio