Populus, Bunge.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 55

Sect. Turanga Bunge. Terminal bud absent; leaves very variable; stamens 8-12; pistillate flowers with a laciniate disc.