Populus trichocarpa 'Rochester'

Semi rust-resistant hybrid introduced to Canberra by the Forestry and Timber Bureau in about 1936. Specimens act: Forestry House, Yarralumla n side. Populus laurifolia Ledeb., Laurel Poplar is occasionally offered; it is a broad-crowned tree 15-20 m tall with slender new shoots. Leaves on long shoots lanceolate to lanceolate-acuminate, 6-13cm long, finely glandular-serrate, whitish below and slightly pubescent at least on midrib. Leaf stalks short; leaves on short shoots elliptic-ovate with stalks longer. Capsule 2-3 valved, slightly pubescent. It differs from p. trichocarpa in having closely glandular-toothed leaf margins.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Malpighiales
family       Salicaceae
genus        Populus L.
species         Populus trichocarpa Torr. & A.Gray