This name is a synonym of Populus adenopoda Maxim..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 28301337) with original publication details: J. Linn. Soc., Bot. 26(179–180): 537 1902.
This name was in version 1 of The Plant List, record tro-28301337.