Populus simonii Carriere var. manshurica (Nakai) Kitagawa.

Trees. One-year-old branchlets grayish yellow, terete, glabrous; juvenile branchlets brown, densely glandular, glabrous. Buds brown, oblong-lanceolate, 0.8-1.4 cm, viscid, apex acute. Petiole terete, 1.7-5.2 cm; leaf blade rhombic-deltoid, rhombic-elliptic, or broadly rhombic-ovate, ca. 7.5 × 5.5 cm, subleathery, abaxially greenish, glabrous, adaxially green, not wrinkled, base rounded or widely cuneate, margin crenate-serrate, ciliate or glabrous, apex acuminate.

No specimens have been seen by the authors; the description follows the protologue.

* W Liaoning, E Nei Mongol